Sarnafil Sarnafast Guide Specification - Amazon Web · Web viewThe Applicator shall take...

Sikaplan® RhinoBond System

DISCLAIMER

All information provided by Sika Corporation (“Sika”) concerning Sika products, including but not limited to, any recommendations and advice relating to the application and use of Sika products, is given in good faith based on Sika’s current experience and knowledge of its products when properly stored, handled and applied under normal conditions in accordance with Sika’s instructions. In practice, the differences in materials, substrates, storage and handling conditions, actual site conditions and other factors outside of Sika’s control are such that Sika assumes no liability for the provision of such information, advice, recommendations or instructions related to its products, nor shall any legal relationship be created by or arise from the provision of such information, advice, recommendations or instructions related to its products. The user of the Sika product(s) must test the product(s) for suitability for the intended application and purpose before proceeding with the full application of the product(s). Sika reserves the right to change the properties of its products without notice. All sales of Sika product(s) are subject to its current terms and conditions of sale which are available at usa.sarnafil.sika.com or by calling 800-451-2504.

Prior to each use of any Sika product, the user must always read and follow the warnings and instructions on the product’s most current Product Data Sheet, product label and Safety Data Sheet which are available online at usa.sarnafil.sika.com or by calling Sika's Technical Service Department at 800-451-2504. Nothing contained in any Sika materials relieves the user of the obligation to read and follow the warnings and instruction for each Sika product as set forth in the current Product Data Sheet, product label and Safety Data Sheet prior to product use.

Sika warrants this product for one year from date of installation to be free from manufacturing defects and to meet the technical properties on the current Product Data Sheet if used as directed within shelf life. User determines suitability of product for intended use and assumes all risks. Buyer’s sole remedy shall be limited to the purchase price or replacement of product exclusive of labor or cost of labor.

NO OTHER WARRANTIES EXPRESS OR IMPLIED SHALL APPLY INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. SIKA SHALL NOT BE LIABLE UNDER ANY LEGAL THEORY FOR SPECIAL OR CONSEQUENTIAL DAMAGES. SIKA SHALL NOT BE RESPONSIBLE FOR THE USE OF THIS PRODUCT IN A MANNER TO INFRINGE ON ANY PATENT OR ANY OTHER INTELLECTUAL PROPERTY RIGHTS HELD BY OTHERS.

With respect to any guide specifications prepared and provided by Sika, such guide specifications are generic and nature and are provided as a general guide for informational purposes only to architects or roof designers/specifiers. Sika guide specifications are not intended to replace sound engineering and architectural practices and should not be relied upon for that purpose. Sika assumes no liability with respect to the provision of this guide specification, the preparation of the guide specifications, the design of the roofing or waterproofing system, the preparation and approval of the details and shop drawings, or for determining their suitability for a particular project or application. The architect, consultant and/or engineer or design professional for a particular project bears the sole responsibility for the design of the roofing or waterproofing system, for the preparation of the specifications, the preparation and approval of the details and shop drawings, and for determining their suitability for a particular project or application. SIKA MAKES NO WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, AS TO THE CONTENTS OF THESE GUIDE SPECIFICATIONS. SIKA SHALL NOT BE RESPONSIBLE UNDER ANY LEGAL THEORY TO ANY THIRD PARTY FOR ANY DIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND ARISING FROM THE USE OF THESE GUIDE SPECIFICATIONS.

Sika Corporation - Roofing Specification Contents

Part 1 – General ConditionsError: Reference source not found Description.................................................Error: Reference source not foundError: Reference source not found Quality Assurance......................................Error: Reference source not foundError: Reference source not found Submittals...................................................Error: Reference source not foundError: Reference source not found Product Delivery, Storage and Handling.....Error: Reference source not foundError: Reference source not found Job Conditions............................................Error: Reference source not foundError: Reference source not found Warranties..................................................Error: Reference source not found Warranty Durations............................................................................................................................................... 6

Part 2 - ProductsError: Reference source not found General.......................................................Error: Reference source not foundError: Reference source not found Membrane..................................................Error: Reference source not foundError: Reference source not found Flashing Materials......................................Error: Reference source not found2.01 Insulation / Roof Board.................................................................................................................................. 8Error: Reference source not found Attachment Components............................Error: Reference source not found Deck Primers........................................................................................................................................................ 92.01 Vapor Barrier............................................................................................................................................... 10Error: Reference source not found Miscellaneous Accessories........................Error: Reference source not foundError: Reference source not found Sealants and Pitch Pocket Fillers...............Error: Reference source not foundError: Reference source not found Walkway Protection....................................Error: Reference source not foundError: Reference source not found Miscellaneous Fasteners and Anchors.......Error: Reference source not found

Part 3 – ExecutionError: Reference source not found Pre-Construction Conference.....................Error: Reference source not foundError: Reference source not found Substrate Condition....................................Error: Reference source not found Substrate Inspection........................................................................................................................................... 12 Substrate Preparation......................................................................................................................................... 123.01 Vapor Retarder Installation (As Required by Designer)...............................................................................15Error: Reference source not found Wood Nailer Installation..............................Error: Reference source not found3.01 Insulation / Roof Board Installation..............................................................................................................18 Sikaplan Fastened Membrane Installation..........................................................................................................18 RhinoBond Induction Welding............................................................................................................................ 19 Hot-Air Welding of Seam Overlaps..................................................................................................................... 19 Membrane Flashing Installation..........................................................................................................................203.01 Liquid Flashing Installation..........................................................................................................................21Error: Reference source not found Metal Flashing Installation..........................Error: Reference source not foundError: Reference source not found Sarnaclad Metal Base Flashings / Edge Metal Installation....Error: Reference source not found Edge Metal Installation....................................................................................................................................... 23Error: Reference source not found Walkway Installation...................................Error: Reference source not found3.01 Perimeter Warning Installation.....................................................................................................................24 Temporary Cut-Off.............................................................................................................................................. 25Error: Reference source not found Completion.................................................Error: Reference source not foundError: Reference source not found Details........................................................Error: Reference source not found

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Sika Corporation - Roofing Specification Sikaplan RhinoBond System

REGIONAL OFFICES

NEW ENGLAND REGION225 Dan Road

Canton, MA 02021Phone: (781) 821-0865

Fax: (781) 821-9205

EASTERN REGIONOne Park Way 3rd Floor

Upper Saddle River, NJ 07458Phone: (201) 327-0479

Fax: (201) 327-4069

SOUTHERN REGION3483 Satellite Boulevard

Duluth, GA 30096Phone: (770) 495-0025

Fax: (770) 495-0027

MIDWEST REGION200 W. 22nd St., Suite 216

Lombard, IL 60148Phone: (800) 532-5123

Fax: (630) 620-9646

SOUTHWEST REGION2517 Fairway Park, Suite 200

Houston, TX 77092Phone: (713) 812-0102

Fax: (713) 812-0107

MOUNTAIN REGION2881 South 900 West

Salt Lake City, UT 84119Phone: (801) 575-8648

Fax: (801) 355-4407

WESTERN REGION NORTH2375 Rodolfo CourtSparks, NV 89436

Phone: (775) 626-7701Fax: (775) 626-7703

WESTERN REGION SOUTH6590 Darin Way

Cypress, CA 90630Phone: (714) 898-9355

Fax: (714) 898-9357

SIKA CORPORATION U.S.usa.sika.com

SIKA CORPORATION - ROOFINGusa.sarnafil.sika.com

EMAIL [email protected]

SIKA CANADA - ROOFING6915 Davand Drive

Mississauga, ON L5T 1L5Phone: (905) 795-3177

Fax: (905) 795-3192can.sika.com

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mailto:[email protected]

http://usa.sika.com/


SECTION 07 54 19THERMOPLASTIC MEMBRANE ROOFING

SIKAPLAN® RHINOBOND SYSTEM

[NOTES TO SPECIFIER ARE DESIGNATED BY [ ]. SPECIFIER IS TO SELECT ONE OF THE OPTIONS PROVIDED FOR PROJECT SPECIFIC SPECIFICATIONS.]

PART 1 - GENERAL CONDITIONS

1.01 DESCRIPTION

A. Scope

To install a complete Sikaplan mechanically-attached roofing system including Sikaplan membrane, flashings and other components.

B. Related Work

The work includes but is not limited to the installation of:

1. Removal of Existing Roofing and Insulation2. Substrate Preparation3. Roof Drains4. Vapor Barrier5. Wood Blocking6. Insulation7. Separation Layers8. Roof Membrane9. Fasteners

10. Adhesive for Flashings11. Roof Membrane Flashings 12. Walkways13. Metal Flashings14. Sealants

C. Upon successful completion of work the following warranties may be obtained:

1. Sikaplan Warranty2. Roofing Applicator Warranty

1.02 QUALITY ASSURANCE

A. This roofing system shall be applied only by a Roofing Applicator authorized by Sika Corporation prior to bid (Sika Corporation "Applicator").

B. Upon completion of the installation an inspection may be made by a Technical Service Representative of Sika Corporation to determine that the visible elements of the roofing system have been installed in accordance with the project specification, details and approved changes wherever a Sikaplan System Warranty has been specified.

C. There shall be no deviation made from the Project Specification or the approved shop drawings without prior written approval by the Owner, the Owner's Representative and Sika Corporation.

D. All work pertaining to the installation of Sika membrane and flashings shall only be completed by Applicator personnel trained and authorized by Sika Corporation in those procedures.

E. Roofing membrane manufacturer must have a demonstrated performance history of producing PVC roof membranes no less, in duration of years, than the warranty duration specified.

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F. Product to be manufactured by membrane supplier and not private labeled.

G. Manufacturer to have a minimum of five years experience recycling their membranes at the end of their service life back into new membrane products. Provide a minimum of five reference projects.

H. Applicable code/insurance requirements shall be identified by the Owner or Owner’s representative.

1.03 SUBMITTALS

A. The Applicator shall submit written verification from Sika Corporation that they are an authorized Applicator.

B. The Applicator shall verify that the specifications for the roofing project are in accordance with Sika Corporation.

C. Sample copy of Sika Corporation's warranty.

D. Sample copy of Applicator's warranty.

E. Certification from the Applicator that the system specified meets code and insurance requirements.

1.04 CODE REQUIREMENTS

The Applicator shall submit evidence that the proposed roof system meets the requirements of the local building code and has been tested and approved or listed by the following test organizations. These requirements are minimum standards and no roofing work shall commence without written documentation of the system's compliance, as required in the "Submittals" section of this specification.

A. System shall be designed to meet a minimum wind design requirements of the most recent version of ASCE 7.

B. Factory Mutual Research Corporation (FM) - Norwood, MANote: Qualify this.

Class 1-60 Class 1-75 Class 1-90

C. Underwriters Laboratories, Inc. - Northbrook, IL

1. Class A assembly2. Class B assembly3. Class C assembly

1.05 PRODUCT DELIVERY, STORAGE AND HANDLING

[NOTE TO SPECIFIER: IF REQUIRED, SELECT ITEM H BELOW.]˙

A. All products delivered to the job site shall be in the original unopened containers or wrappings bearing all seals and approvals.

B. Handle all materials to prevent damage. Place all materials on pallets and fully protect from moisture.

C. Membrane rolls shall be stored lying down on pallets and fully protected from the weather with clean canvas tarpaulins. Unvented polyethylene tarpaulins are not accepted due to the accumulation of moisture beneath the tarpaulin in certain weather conditions that may affect the ease of membrane weldability.

D. As a general rule all adhesives shall be stored at temperatures between 40°F (4°C) and 80°F (27°C).

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Read instructions contained on adhesive canister for specific storage instructions.

E. All flammable materials shall be stored in a cool, dry area away from sparks and open flames. Follow precautions outlined on containers or supplied by material manufacturer/supplier.

F. Any materials which the Owner’s representative or Sika Corporation determine to be damaged are to be removed from the job site and replaced at no cost to the Owner.

G. Safety Data Sheets (SDS) shall be available at the job site at all times.

H. The existing pvc roof membrane is to be recycled by the manufacturer of the replacement membrane. Applicator is responsible for all costs associated with removing the membrane, preparing it and loading it for shipment, according to the manufacturer’s published procedures.

1.06 JOB CONDITIONS

A. Sika Corporation materials may be installed under certain adverse weather conditions but only after consultation with Sika Corporation, as installation time and system integrity may be affected.

B. Only as much of the new roofing as can be made weathertight each day, including all flashing and detail work, shall be installed. All seams shall be heat welded before leaving the job site that day.

C. All work shall be scheduled and executed without exposing the interior building areas to the effects of inclement weather. The existing building and its contents shall be protected against all risks.

D. All surfaces to receive new insulation, membrane or flashings shall be dry. Should surface moisture occur, the Applicator shall provide the necessary equipment to dry the surface prior to application.

E. All new and temporary construction, including equipment and accessories, shall be secured in such a manner as to preclude wind blow-off and subsequent roof or equipment damage.

F. Uninterrupted waterstops shall be installed at the end of each day's work and shall be completely removed before proceeding with the next day's work. Waterstops shall not emit dangerous or unsafe fumes and shall not remain in contact with the finished roof as the installation progresses. Contaminated membrane shall be replaced at no cost to the Owner.

G. The Applicator is cautioned that certain Sikaplan membranes are incompatible with asphalt, coal tar, heavy oils, roofing cements, creosote and some preservative materials. Such materials shall not remain in contact with Sikaplan membranes. The Applicator shall consult Sika Corporation regarding compatibility, precautions and recommendations.

H. Arrange work sequence to avoid use of newly constructed roofing as a walking surface or for equipment movement and storage. Where such access is absolutely required, the Applicator shall provide all necessary protection and barriers to segregate the work area and to prevent damage to adjacent areas. A substantial protection layer consisting of plywood over Sarnafelt or plywood over insulation board shall be provided for all new and existing roof areas that receive rooftop traffic during construction.

I. Prior to and during application, all dirt, debris and dust shall be removed from surfaces by vacuuming, sweeping, blowing with compressed air or similar methods.

J. The Applicator shall follow all safety regulations as required by OSHA and any other applicable authority having jurisdiction.

K. All roofing, insulation, flashings and metal work removed during construction shall be immediately taken off site to a legal dumping area authorized to receive such materials. Hazardous materials, such as materials containing asbestos, are to be removed and disposed of in strict accordance with applicable City, State and Federal requirements.

L. All new roofing waste material (i.e., scrap roof membrane, release paper, empty cans of adhesive) shall be immediately removed from the site by the Applicator and properly transported to a legal dumping area

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authorized to receive such material.

M. The Applicator shall take precautions that storage and application of materials and equipment does not overload the roof deck or building structure.

N. Installation of a Sikaplan membrane over coal tar pitch or a resaturated roof requires special consideration to protect the Sikaplan membrane from volatile fumes and materials. Consult Sika Corporation for precautions prior to bid.

O. Flammable adhesives and deck primers shall not be stored and not be used in the vicinity of open flames, sparks and excessive heat.

P. All rooftop contamination that is anticipated or that is occurring shall be reported to Sika Corporation to determine the corrective steps to be taken.

Q. The Applicator shall verify that all roof drain lines are functioning correctly (not clogged or blocked) before starting work. Applicator shall report any such blockages in writing (letter copy to Sika Corporation) to the Owner's Representative for corrective action prior to the installation of the Sika Corporation roof system.

R. Applicator shall immediately stop work if any unusual or concealed condition is discovered and shall immediately notify Owner of such condition in writing for correction at the Owner's expense (letter copy to Sika Corporation).

S. Site cleanup, including both interior and exterior building areas that have been affected by construction, shall be completed to the Owner's satisfaction.

T. All landscaped areas damaged by construction activities shall be repaired at no cost to the Owner.

U. The Applicator shall conduct fastener pullout tests in accordance with the latest version of the SPRI/ANSI Fastener Pullout Standard to help verify condition of the deck/substrate and to confirm expected pullout values.

V. The Sikaplan membrane shall not be installed under the following conditions without consulting Sika Corporation’s Technical Dept. for precautionary steps:

1. The roof assembly permits interior air to pressurize the membrane underside.2. Any exterior wall has 10 percent or more of the surface area comprised of opening doors or

windows.3. The wall/deck intersection permits air entry into the wall flashing area.

W. Precautions shall be taken when using adhesives at or near rooftop vents or air intakes. Adhesive odors could enter the building. Coordinate the operation of vents and air intakes in such a manner as to avoid the intake of adhesive odor while ventilating the building. Keep lids on unused cans at all times.

X. Protective wear shall be worn when using solvents or adhesives or as required by job conditions.

Y. Sikaplan membranes are slippery when wet or covered with snow, frost, or ice. Working on surfaces under these conditions is hazardous. Appropriate safety measures must be implemented prior to working on such surfaces. Always follow OSHA and other relevant fall protection standards when working on roofs.

1.07 WARRANTIES

A. Sikaplan Warranty

Upon successful completion of the work to Sika Corporation's satisfaction and receipt of final payment, the Sika Corporation Warranty shall be issued.

[NOTE TO SPECIFIER: SELECT DESIRED WARRANTY.]

1. Membrane Warranty

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2. System Warranty (only products purchased from Sika Corporation are covered under System Warranty)

B. Applicator/Roofing Contractor Warranty

Applicator shall supply Owner with a separate workmanship warranty. In the event any work related to roofing, flashing, or metal is found to be within the Applicator warranty term, defective or otherwise not in accordance with Contract Documents, the Applicator shall repair that defect at no cost to Owner. Applicator's warranty obligation shall run directly to Owner, and a copy shall be sent to Sika Corporation.

C. Owner Responsibility

Owner shall notify both Sika Corporation and Applicator of any leaks as they occur during the time period when both warranties are in effect.

1.08 WARRANTY DURATIONS

[NOTE TO SPECIFIER: SPECIFY EITHER 5, 10, 15, OR 20 YEAR DURATION, 20 YEAR REQUIRES 60 MIL MEMBRANE]

˙A. Sikaplan’s warranty shall be in effect for a year duration.

B. Applicator’s/Roofing Contractor’s Warranty shall be in effect for a year duration.

PART 2 - PRODUCTS

2.01 GENERAL

A. Components of the roof system are to be products of Sika Corporation as indicated on the Detail Drawings and specified in the Contract Documents.

B. Components to be used that are other than those supplied or manufactured by Sika Corporation may be submitted for review and acceptance by Sika Corporation. Sika Corporation’s acceptance of any other product is only for a determination of compatibility with Sika Corporation products and not for inclusion in the Sika Corporation warranty. The specifications, installation instructions, limitations, and restrictions of the respective manufacturers must be reviewed by the Owner’s Representative for acceptability for the intended use with Sika Corporation products.

C. Special consideration should be given to construction related moisture. An example is the significant amount of moisture generated when concrete floor slabs are poured after the roof has been installed. Sika Corporation is not responsible for damage to the insulation when exposed to construction related moisture.

D. Manufacturer to have a minimum of two years experience recycling their membranes at the end of their service life back into new membrane products. Provide a minimum of five reference projects.

E. Consult respective product data sheets for additional information.

2.01 MEMBRANE

A. Sikaplan Fastened EnergySmart White thermoplastic membrane with polyester reinforcement and lacquer coating.

B. Thickness

[NOTE TO SPECIFIER: SELECT APPROPRIATE PRODUCT.]˙1. Sikaplan Fastened 45 mil (1.1 mm)2. Sikaplan Fastened 60 mil (1.5 mm)

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C. Typical Physical Properties

Parameters ASTMTest Method

ASTM Type IIID-4434 Spec.Requirement

Typical Physical Properties*

Reinforcing Material -- -- Polyester Polyester

Nominal Thickness, mil D751 45 45 60

Thickness Above Scrim, mil -- 16 20 24

Breaking Strength M.D., lbf/in. (KN/m) D751 200 (35) 230 (40) 303 (53)

Elongation at Break, % M. D. & % C.M.D.1 D751 15 & 15 20 & 20 20 & 20

Seam Strength, % of oringal2 D751 75 Pass Pass

Retention of Properties After Heat Aging D3045 -- -- --

Tensile Strength, % of original D751 90 Pass Pass

Elongation, % of original D751 90 Pass Pass

Tearing Resistance, lbf (N) D1004 45 (200) 45 (200) 45 (200)

Low Temperature Bend, -40°F (-40°C) D2136 Pass Pass PassAccelerated Weathering Test(Florescent Light UV exposure) G154 5,000 Hours 10,000 Hours 10,000 Hours

Cracking (7x magnification) -- None None None

Discoloration (by observation) -- Negligible Negligible Negligible

Crazing (7x magnification) -- None None None

Linear Dimensional Change, % D1204 0.5% max. 0.31 0.24

Weight Change After Immersion in Water, % D570 ± 3.0% max. 2.9 2.5

Static Puncture Resistance, lbf (N) D5602 33 (147) Pass Pass

Dynamic Puncture Resistance, ft-lbf (J) D5635 14.7 (20) Pass Pass

Recycled Content -- -- 9% Pre-consumer, 1% Post-consumer

*Results may differ based upon statistical variations depending upon mixing methods and equipment, temperature, application methods, test methods, actual site conditions, and curing conditions.1 M.D. = Machine Direction, C.M.D. = Cross Machine Direction2 Failure occurs through membrane rupture not seam failure.

SOLAR REFLECTANCE

INITIAL

SOLAR REFLECTANCE

3-YEAR

THERMAL EMITTANCE,

INITIAL

THERMAL EMITTANCE,

3-YEAR

SOLAR REFLECTANCE INDEX, INITIAL

SOLAR REFLECTANCE INDEX, 3-YEAR

Sikaplan Fastened 45 EnergySmart White

0.83 0.64* 0.89 Pending 104 Pending

Sikaplan Fastened 60 EnergySmart White

0.85 0.66* 0.89 Pending 107 Pending

*Derived using the California Title 24 calculation method for aged solar reflectance per Section 110.8(i)2. of the 2013 Building Energy Efficiency Standard, page 102.

2.01 FLASHING MATERIALS

A. Wall/Curb Flashings

1. Sikaplan Membrane 2. G459 Flashing Membrane

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3. Sarnaclad

B. Perimeter Edge Flashings

1. Edge Grip2. Edge Grip Extruded3. Sarnaclad4. Non-Typical Edge

C. Miscellaneous Flashings

1. Detail Membrane2. Sarnacircles3. Sarnacorners - Inside4. Sarnacorners - Outside5. Sarnastack Universal, A, B, or C6. Open Post Flashing7. Sikaplan Termination Bar8. Sarnadrain - UFlow9. Sarnacol 2170 Adhesive

10. Sarnacol 2170 VC Adhesive11. Sarnafelt12. Liquid Flashing Primer13. Liquid Flashing Fleece14. Liquid Flashing Catalyst15. Liquid Flashing SW (summer-grade white)16. Liquid Flashing WW (winter-grade white)

2.01 INSULATION / ROOF BOARD

[NOTE TO SPECIFIER: SELECT ONLY ONE TYPE OF INSULATION.]

A. SarnathermRigid polyisocyanurate foam insulation with a Cellulosic Felt Facer or Glass Fiber Mat Facer, Expanded Polystyrene Insulation, or Extruded Polystyrene Insulation.

B. Sarnatherm Roof Board-A, Roof Board-H, Roof Board-MA thin rigid foam insulation composed of a high-density closed cell polyisocyanurate foam core and a laminated glass fiber mat facer.

C. Sarnatherm FanfoldA 3/8 inch (9.5 mm) thick extruded polystyrene (XPS) foam insulation board produced with high strength film facers on both sides which are compatible with Sika Corporation membranes. Sarnatherm Fanfold is ideally suited for installation over existing roof systems including smooth or gravel surfaced B.U.R. and granular coated modified bitumen. Sarnatherm Fanfold is supplied in 4 x 50 ft (1.2 x 15.2 m) sheets, folded every 2 ft (0.6 m).

D. R-Tech FFA fanfold consisting of lightweight closed-cell expanded polystyrene (EPS), with a polymeric laminate facer, good dimensional stability, and water resistant properties. Ideally suited for recover applications, R-Tech FF comes in various thicknesses and either 4 x 50 ft (1.2 x 15.2 m) sheets or 4 x 8 ft (1.2 x 2.4 m) panels.

E. ThermalStar LRiA fanfold consisting of lightweight closed-cell expanded polystyrene (EPS), with a polymeric laminate facer, good dimensional stability, and water resistant properties. Ideally suited for recover applications, ThermalStar LRi comes in various thicknesses and either 4 x 50 ft (1.2 x 15.2 m) sheets or 4 x 8 ft (1.2 x 2.4 m) panels.

F. DensDeck

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Employs fiberglass mats front and back that are bonded to a high density gypsum core.

G. DensDeck PrimeEmploys enhanced fiberglass mats front and back that are bonded to a high density gypsum core.

H. Securock Gypsum-FiberA fire-tested, homogenous fiber reinforced gypsum roof board.

I. Securock Glass-MatA fire-tested, high-performance glass-matt facer gypsum roof board.

2.01 ATTACHMENT COMPONENTS

A. Insulation

1. Sikaplan Board PlateUsed with Sikaplan fasteners to attach Sarnatherm® insulation, Sarnatherm roof boards, gypsum roof boards, or other Sika approved boards directly to the roof deck prior to the installation of the Sikaplan Fastened or Sikaplan Adhered roof membrane.

2. Sikaplan Board Fastener #12A threaded drill point fastener used to attach Sarnatherm® insulation, Sarnatherm roof boards, gypsum roof boards, or other Sika approved boards into steel decking (18-24 gauge), wood plank (min. 1-1/2”), or wood sheathing (>15/32”).

B. Membrane

1. Sarnadisc RhinoBond A specially designed polymer coated plate used to attach Sarnatherm® insulation, Sarnatherm

roof boards, gypsum roof boards, or other Sika approved boards directly to the roof deck or structural purlins prior to the installation of membrane. The membrane is field welded to the Sarnadisc RhinoBond by induction welding. Rhinobond PS Cardboard Discs are required when Sarnadisc Rhino bond is installed above Sika approved polystyrene fanfold roofing underlayment with polymeric film facer.

2. Sikaplan Fastener #14A threaded drill point fastener used to attach into structural concrete (140-150 lb/ft), wood plank (min. 1-1/2”), or wood sheathing (>15/32”).

3. Sikaplan Fastener #15A threaded drill point fastener used to attach into steel decking (18-24 gauge), wood plank (min. 1-1/2”), or wood sheathing (>15/32”).

4. Fastener-CD10A non-threaded hammered in fastener used to attach into structural concrete (140-150 lb/ft).

5. Sarnafastener-MAXLoadA specially designed, heavy-duty, threaded drill point corrosion-resistant fastener used to help clamp the roof membrane to roof decks.

6. Fastener-RetroDrillerA threaded drill point fastener used to attach into structural steel purlins (12-16 ga).

2.01 DECK PRIMERS

A. Vapor Retarder Primer SBA solvent-based primer used to prime wood, concrete, lightweight concrete, gypsum boards and decks, and DensDeck® boards prior to the application of Sika’s self-adhered vapor retarders.

B. Vapor Retarder Primer VC

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A VOC Compliant*, solvent-based primer used to prime wood, concrete, lightweight concrete, gypsum boards and decks, and DensDeck® boards prior to the application of Sika’s self-adhered vapor retarders.

C. Vapor Retarder Primer WB (water-based)A polymer emulsion-based primer used to prime wood, concrete, lightweight concrete, gypsum decks, and approved gypsum boards prior to the application of Sika’s self-adhered vapor retarders. Particularly recommended when the use of solvent-based primer is not advised and/or not permitted.

D. Vapor Retarder Primer TAA blend of bitumen and solvents for use on concrete decks prior to applying Sika’s torch-applied vapor retarders. The primer improves the adhesion of Sika’s torch-applied vapor retarders to the properly prepared and fully dry concrete surface.

2.01 VAPOR BARRIER

A. Vapor Retarder PE 10A 10 mil (0.25 mm) thick polyethylene vapor retarder/air barrier.

B. Vapor Retarder SA 31A 31 mil (0.8 mm) thick self-adhered SBS modified bitumen vapor retarder/air barrier with a tri-laminated woven polyethylene facer. Can also serve as temporary roof protection exposed for up to three (3) months.

C. Vapor Retarder SA 106A 106 mil (2.7 mm) thick self-adhered SBS polymer modified bitumen vapor retarder/air barrier with a non-woven polyester mat reinforcement and fine mineral aggregate (sand) topside. Can also serve as temporary roof protection exposed for up to three (6) months.

D. Vapor Retarder TA 138A 138 mil (3.5 mm) thick torch applied SBS polymer modified bitumen vapor retarder with a non-woven polyester mat reinforcement and fine mineral aggregate (sand) topside. Can also serve as temporary roof protection exposed for up to three (6) months.

2.01 MISCELLANEOUS ACCESSORIES

A. Sarnamatic 641mc, 661, or 681220 volt, self-propelled, hot-air welding machine used to seal Sarnafil membrane seams.

B. Aluminum TapeA 2 inch (50 mm) wide pressure-sensitive aluminum tape used as a separation layer.

C. Multi-Purpose TapeA high performance sealant tape used with metal flashings.

D. Perimeter Warning TapeDesigned for use on PVC membranes as a reflective, highly visible pressure sensitive tape used to draw attention to roof perimeters and potential hazardous areas, exceeds reflectivity 3 requirements and Federal spec. L-S-300, Class 1.

E. Perimeter Warning MembraneThe Perimeter Warning Membrane is made from Sarnafil G410 membrane, Yellow in color, and is 4” (101mm) wide and 100’ (30m) long.

F. Seam CleanerSeam Cleaner is used on PVC membranes to clean the in the seam area only.

G. Sarnastop

An extruded aluminum, low profile bar used with certain Sarnafasteners to attach to the roof deck or to walls/curbs at terminations, penetrations and at incline changes of the substrate. Sarnastop is a 1 inch

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(25 mm) wide, flat aluminum bar 1/8 inch (3 mm) thick that has predrilled holes every 6 inches (152 mm) on center.

H. Sarnabar

An FM-approved, heavy-duty, 14 gauge, galvanized or stainless, roll-formed steel bar used to attach membrane to roof decks. The formed steel is pre-punched with holes every 1 inch (25 mm) on center to allow various Sarnafastener spacing options.

I. Sarnacord

A 5/32 inch (4 mm) diameter, red-colored, flexible thermoplastic extrusion that is welded to the top surface of the Sarnafil membrane and against the side of the Sarnabar, used to hold the membrane in position.

2.01 SEALANTS AND PITCH POCKET FILLERS

A. Sikaflex-1a (for termination details and pitch pocket toppings).

B. Sarnafiller (two-component urethane adhesive for pitch pocket toppings).

C. MasticA cold applied, fiber reinforced high strength SBS modified bitumen mastic that is specially formulated to detail around penetrations and flashings where Sika vapor retarders and hybrid system ply sheets are used.

D. Depending on substrates, the following sealants are options for temporary overnight tie-ins:1. Type III hot asphalt conforming to ASTM D312 (latest revision).2. Sarnafiller.3. Multiple layers of roofing cement and felt.4. Spray-applied, water-resistant urethane foam.5. Mechanical attachment with rigid bars and compressed sealant.

2.01 WALKWAY PROTECTION

A. Sarnatred-V A polyester reinforced, 0.096 inch (96 mil/2.4 mm), weldable membrane with surface embossment similar to a chevron pattern.

B. Crossgrip XTRAA rolled-out walkway protection mat loose laid on top of completed roof assemblies consisting of is 9/16 inch (14 mm) thick flexible PVC with a heavily textured surface.

2.01 MISCELLANEOUS FASTENERS AND ANCHORS

All fasteners, anchors, nails, straps, bars, etc. shall be post-galvanized steel, aluminum or stainless steel. Mixing metal types and methods of contact shall be assembled in such a manner as to avoid galvanic corrosion. Fasteners for attachment of metal to masonry shall be expansion type fasteners with stainless steel pins. All concrete fasteners and anchors shall have a minimum embedment of 1-1/4 inch (32 mm) and shall be approved for such use by the fastener manufacturer. All miscellaneous wood fasteners and anchors used for flashings shall have a minimum embedment of 1 inch (25 mm) and shall be approved for such use by the fastener manufacturer.

PART 3 - EXECUTION

3.01 PRE-CONSTRUCTION CONFERENCE

The primary contractor shall conduct a pre-roofing conference before any work begins, so all parties

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involved in the roofing system construction, or who may work on or through the roofing system, understand their obligations with respect to the roofing membrane.

3.02 SUBSTRATE CONDITION

A. Applicator shall be responsible for acceptance or provision of proper substrate to receive new roofing materials.

B. Applicator shall verify that the work done under related sections meets the following conditions:1. Roof drains and scuppers have been reconditioned or replaced and installed properly.2. Roof curbs, nailers, equipment supports, vents and other roof penetrations are properly secured

and prepared to receive new roofing materials.3. All surfaces are smooth and free of dirt, debris and incompatible materials.4. All roof surfaces shall be free of water, ice and snow.

3.01 SUBSTRATE INSPECTION

A. A dry, clean and smooth substrate shall be prepared to receive Sika Corporation’s Sikaplan mechanically-attached roof system.

B. The substrate shall be clean, smooth, dry, free of flaws, sharp edges, loose and foreign material, oil and grease. Roofing shall not start until all defects have been corrected.

C. All roof surfaces shall be free of water, ice and snow.

D. Sikaplan shall be applied over compatible and accepted substrates only.

3.01 SUBSTRATE PREPARATION

The roof deck and existing roof construction must be structurally sound to provide support for the new roof system. The Applicator shall load materials on the rooftop in such a manner as to eliminate risk of deck overload due to concentrated weight. The Owner's Representative shall ensure that the roof deck is secured to the structural framing according to local building code and in such a manner as to resist all anticipated wind loads in that location.

A. New Construction

1. Steel Deck:

a) FM approved steel deck - The roof deck shall be 22 gauge (minimum) conforming to meet the latest revision of FM's Loss Prevention Data Sheet 1-29 and the local code's current requirements.

b) Non-FM approved steel deck - The roof deck shall be 24 gauge (minimum) grade D and shall conform and be installed to the local code's current requirements.

2. Wood Deck:

a) The roof deck shall be minimum 1-1/2 inch (38 mm) thick lumber or 15/32 inch (12 mm) thick plywood. Deck shall be installed according to local code requirements. Contact Sika Corporation Technical Department for fastening patterns and methods.

3. Poured Lightweight (Cellular or Insulating) Concrete Substrate:

The lightweight concrete shall be installed by a trained lightweight concrete Applicator in accordance with the lightweight concrete manufacturer's requirements and industry practice. The surface shall be sealed with a water-based sealer accepted by the lightweight concrete manufacturer to create a surface free from dust and loose material. The wet and dry densities shall be in accordance with the manufacturer's and FM’s (if applicable) requirements. Sharp ridges or other projections above the surface shall be removed before roofing.

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4. Poured Structural Concrete Deck:

a) Without Vapor Retarder - The roof deck shall be installed and cured in accordance with industry standards. The surface shall be dry and free of moisture, have a smooth and level finish, and shall be free of dust, excess moisture, oil-based curing agents and loose debris. Under no circumstances shall a sealer be used in lieu of a curing agent. Sharp ridges or other projections above the surface shall be removed before roofing.

b) With Vapor Retarder - The roof deck shall be installed and cured in accordance with industry standards. The surface shall be dry and free of moisture, have a level finish, and shall be free of dust, excess moisture, oil-based curing agents and loose debris. Under no circumstances shall a sealer be used in lieu of a curing agent. Sharp ridges or other projections above the surface shall be removed before roofing. A concrete surface profile CSP 3 to CSP 6 is required. Achieve concrete surface profile in accordance with the ICRI Technical Guideline No. 310.2R-2013.

5. Precast / Prestressed Concrete Panel Deck:

The roof deck shall be installed in accordance with the concrete panel manufacturer's requirements and industry practice. The surface shall have a smooth and level finish and shall be free of dust, moisture, oil or loose debris. All joints between precast units shall be grouted. Any differentials in height between precast units shall be feathered for a smooth transition. Sharp ridges or other projections above the surface shall be removed before roofing. Panels shall be secured to structural supports as recommended by deck manufacturer.

6. Insulating Fill Substrate:

The lightweight fill shall be installed by a trained lightweight fill Applicator in accordance with the lightweight fill manufacturer's requirements and industry practice. The surface shall be free from dust and loose fragments, be smooth, level, and free from moisture. Sharp ridges or other projections above the surface shall be removed before roofing. Proper venting as recommended by the roof deck manufacturer shall be provided. An insulation recover board may be required as a substrate to adhere to. Fastening for recover board shall be into structural deck below insulating fill (see steel/concrete deck requirements).

B. Reroofing with Removal of Existing Bitumen Roofing

General Criteria

All existing roofing, base flashing, deteriorated wood blocking or deteriorated metal flashings shall be removed. Remove only that amount of roofing and flashing which can be made weathertight with new materials during a one-day period or before the onset of inclement weather.

1. Steel Deck:

a) FM Approved Steel Deck - All rusted or deteriorated decking shall be brought to the attention of the Owner's Representative and FM to determine method of treatment or replacement. Surface-only rusted metal shall be sanded and treated with rust-inhibiting paint. Sections that have rusted deeper than the surface or are not structurally sound shall be removed and replaced. The use and type of steel roof deck construction shall conform to FM's recommendations as outlined in FM Loss Prevention data Sheet I-29 and local requirements.

b) Non-FM Approved Steel Deck - All rusted or deteriorated decking shall be brought to the attention of the Owner's Representative to determine method of treatment or replacement. Surface-only rusted metal shall be sanded and treated with rust-inhibiting paint. Sections that have rusted deeper than the surface or are not structurally sound shall be removed and replaced. Deck type shall match existing and the attachment shall conform to local code requirements.

2. Wood Deck:

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a) All rotted or deteriorated wood shall be removed and replaced. The deck thickness shall be 1-1/2 inch (38 mm) lumber or 15/32 (12 mm) plywood or match existing deck if greater. Deck type and attachment shall conform to local code requirements. Fastener heads shall be recessed into the wood surface.

3. Poured Lightweight (Cellular or Insulating) Concrete Substrate:

The lightweight concrete shall be installed by a trained lightweight concrete Applicator in accordance with the lightweight concrete manufacturer's requirements and industry practice. The surface shall be sealed with a water-based sealer accepted by the lightweight concrete manufacturer to create a surface free from dust and loose material. The wet and dry densities shall be in accordance with the manufacturer's and FM’s (if applicable) requirements. Sharp ridges or other projections above the surface shall be removed before roofing.

4. Poured Structural Concrete Deck:

a) Without Vapor Retarder - The roof deck shall be installed and cured in accordance with industry standards. The surface shall be dry and free of moisture, have a smooth and level finish, and shall be free of dust, excess moisture, oil-based curing agents and loose debris. Under no circumstances shall a sealer be used in lieu of a curing agent. Sharp ridges or other projections above the surface shall be removed before roofing.

b) With Vapor Retarder - The roof deck shall be installed and cured in accordance with industry standards. The surface shall be dry and free of moisture, have a level finish, and shall be free of dust, excess moisture, oil-based curing agents and loose debris. Under no circumstances shall a sealer be used in lieu of a curing agent. Sharp ridges or other projections above the surface shall be removed before roofing. A concrete surface profile CSP 3 to CSP 6 is required. Achieve concrete surface profile in accordance with the ICRI Technical Guideline No. 310.2R-2013.

5. Precast / Prestressed Concrete Deck:

The roof deck shall be smooth, even, free of dust, dirt, excess moisture or oil and be structurally sound. All joints between precast units shall be grouted. Any differentials in height between precast units shall be feathered for a smooth transition. Any deteriorated decking shall be repaired.

6. Insulating Fill Substrate:

All wet or deteriorated insulating fill shall be removed and replaced. All accumulations of bitumen shall be removed and the surface of the deck shall be smooth, and free of ridges and depressions. See steel/concrete requirements.

C. Reroofing with Removal of Existing Single-Ply Roofing

General Criteria:

The Owner's Representative and Applicator shall determine the condition of the roof deck and existing insulation. Deteriorated decking or wet or deteriorated materials are to be removed and replaced. After removal of single-ply roof, inspect insulation boards and reuse only if dry and in stable condition. Add a Sika Corporation approved recover board or new insulation board. Fasten recover board or top layer of insulation in accordance with Sika Corporation's requirements.

D. Reroofing Over Existing Single Ply Roofing

General Criteria:

The Owner's Representative and Applicator shall determine the condition of the roof deck and existing insulation. Deteriorated decking or wet or deteriorated materials are to be removed and replaced. Remove all debris from the existing single-ply roof and cut into 10 ft x 10 ft panels (3 m x 3 m Install a

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layer of a Sika Corporation approved recover board or a new insulation board over the fastened 10 ft x 10 ft (3 m x 3 m) panels and then fasten the board according to Sika Corporation's requirements.

E. Reroofing Over Existing Bitumen Roofing

General Criteria:

The Owner's Representative and Applicator shall determine the condition of the existing roof deck and old roof system. Areas with deteriorated decking or wet materials are to be removed and replaced.

1. On graveled surfaces, all loose gravel and debris shall be removed by power brooming or vacuuming. All blisters shall be removed and sealed or cut, fastened down and sealed. Any accumulation of bitumen or other irregularities shall be scratched and removed so as to produce a smooth surface.

2. On smooth surfaced roofs, the surface must be clean and dry. All blisters shall be removed and sealed or cut, fastened down and sealed. For Type III hot asphalt attachment of new insulation board, priming of the old roof surface after preparation is necessary.

3. Coal-tar pitch or heavily resaturated roofs may require removal. Contact Sika Corporation Technical for coal-tar pitch or heavily resaturated reroof preparation requirements.

3.01 VAPOR RETARDER INSTALLATION (AS REQUIRED BY DESIGNER)

General Criteria:

Interior (inside temperature/relative humidity) or exterior conditions may create a need for a vapor barrier. The design professional shall decide whether a vapor barrier is necessary. It is the design professional's responsibility to determine the type and location of a vapor barrier. If sealed properly, a vapor barrier can also act as an air barrier (positive pressure) for roofs intended over air-permeable decks (steel, wood, precast, etc.). When reroofing over the existing asphalt roof, the old roof may be considered to be an adequate vapor barrier/air barrier if the details are properly sealed.

F. Vapor Retarder PE 10

Vapor Retarder PE 10 is loose laid over suitable substrates. Overlap all edges a minimum of 4 in (10.2 cm) and seal with Sika’s Multi-Purpose Tape. Extend Vapor Retarder PE 10 to the perimeter and deck penetrations and seal with Sika’s Multi-Purpose Tape to provide continuity of the air/vapor envelope. Seal Vapor Retarder PE 10 with Sika’s Multi-Purpose Tape on the vertical surface at roof penetrations.

G. Vapor Retarder SA 31

1. All surfaces must be clean, sound, dry, and free of loose materials or contaminants such as water, frost, ice, oil and grease that would interfere with proper adhesion and compromise the performance of the product.

2. Prepare concrete surfaces to achieve a Concrete Surface Profile CSP 3 to CSP 5 in accordance with the International Concrete Repair Institute (ICRI) Technical Guideline No. 310.2R-2013.

3. Vapor Retarder Primer SB, Vapor Retarder Primer VC or Vapor Retarder Primer WB is required on all substrates except for steel. Shake or stir primer before applying. Let the primer dry completely.

4. Begin the installation at the low point of the roof. Unroll Vapor Retarder SA 31 onto the substrate for alignment. Overlap each sheet by 3 in (7.6 cm) on the side lap and 6 in (15.2 cm) on the end laps.

5. Once the roll is aligned, peel back a portion of the silicone release film and press Vapor Retarder SA 31 onto the substrate. When securely adhered, remove the remaining release film from the roll.

6. On steel decks install a 6 in x 42 in (15.2 cm x 1.1 m) metal plate under the end lap to support the membrane between the steel flutes. Stagger the end laps by at least 12 in (30.5 cm).

7. Use a minimum 100 lb (45 kg) steel roller to press the Vapor Retarder SA 31 onto the substrate including the laps. Use the roller to push out any air bubbles out to the edge of the membrane. Do not cut the membrane to remove a bubble.

8. Apply Sika’s Mastic to seal around penetrations, T-joints, and fishmouths. Use a trowel to mound the Mastic around the penetrations to seal the opening. Do not apply Mastic where it may come into

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direct contact with the membrane.

H. Vapor Retarder SA 106

1. All surfaces must be clean, smooth, sound, dry, and free of loose materials, debris or contaminants such as water, moisture, frost, ice, oil and grease that would interfere with proper adhesion and compromise the performance of the product.


3. Vapor Retarder Primer SB, Vapor Retarder Primer VC or Vapor Retarder Primer WB is required on all substrates except for steel. Concrete surfaces must be dry before installation. Shake or stir primer before applying. Let the primer dry completely.

4. Begin the installation at the low point of the roof. Chalk a line on the deck to align the sheet. Unroll, position, and align Vapor Retarder SA 106 with the release poly covered selvage edge on the up-slope side. After the sheet is placed in its final position, loosely reroll half of the sheet toward the center of the roll.

5. Carefully score the release liner across the width of the roll with a straight blade utility knife. Roll Vapor Retarder SA 106 into its final position as the release liner is being removed. Re-roll the remaining Vapor Retarder SA 106 and repeat the process. Roll Vapor Retarder SA 106 with a 100 lb (45 kg) steel roller to ensure full contact with the substrate.

6. Align successive sheets with 3 in (7.6 cm) side laps and 6 in (15.2 cm) end laps. The seam area has a pre-applied primer/adhesive on one side for mating with the bottom of the next sheet. Remove the release poly from the seam area and mate the top sheet to the bottom. Roll the seam area to ensure constant contact.

7. Hot air weld the end laps. Hot air welded laps must show a minimum ½ in (1.3 cm) bleed out. Stagger adjacent end laps a minimum of 12 in (30.5 cm).

8. Apply Mastic to seal around penetrations. Use a trowel to mound the Mastic around the penetrations to seal the opening. Do not apply Mastic where it may come into direct contact with the membrane.

I. Vapor Retarder TA 138

1. All Concrete surface must be clean, smooth, sound, dry, and free of loose materials, debris or contaminants such as water, moisture, frost, ice, oil and grease that would interfere with proper adhesion and compromise the performance of the product.


3. Torch applied products should only be installed by trained personnel. It is imperative that the NRCA safety guidelines, as outlined in their Certified Roofing Torch Applicator Program (CERTA), and good industry practices be followed.

4. Prime concrete surface with Vapor Retarder Primer TA. Concrete surfaces must be dry before installation. Shake or stir primer before applying. Let the primer dry completely.

5. After the primer has dried completely, install Vapor Retarder TA 138 in a shingle fashion starting at the low point of the deck so the laps shed water.

6. Chalk a line on the deck to align the first sheet. Unroll Vapor Retarder TA 138 and align the side lap with the chalk line. Back roll the sheet halfway. Begin torching the bottom side of Vapor Retarder TA 138. As the bitumen begins to soften pull the roll forward with a metal pole. When heated properly there should be a bleed out of approximately ½ in (1.3 cm). Back roll the other half of the roll and repeat the process.

7. Kick out the next roll and align the side lap. Side laps must be a minimum of 3 in (7.6 cm). End laps should be a minimum of 6 in (15.2 cm). Stagger adjacent end laps a minimum of 12 in (30.5 cm). Cut the lower outside corner of the end lap at a 45 degree angle to minimize material build-up where it will be covered by the next roll.

8. When heating the membrane move the torch in an ‘ L ’ pattern to ensure heating of the lap area on the bottom sheet. Proper heating will create a minimum ½ in (1.3 cm) bleed out. Walk in the seam area or use a weighted roller to ensure proper adhesion and bleed out. Ensure that all laps are firmly and smoothly adhered without wrinkles, voids or fishmouths.

9. Check the seams with the edge of a trowel. Any loose areas should be lifted with the trowel, re-heated and pushed back down to achieve the necessary bleed out.

10. Apply Mastic to seal around penetrations. Use a trowel to mound the Mastic around the penetrations to seal the opening. Do not apply Mastic where it may come into direct contact with the membrane.

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J. Ply Sheet HA 87


2. Prior to installation, unroll Ply Sheet HA 87 onto the roof surface and allow it to relax. Place Ply Sheet HA 87 in desired position and back roll the product.


4. Adhere Ply Sheet HA 87 to the substrate with Type III or Type IV asphalt according to the asphalt manufacturer's instructions and industry standards. Apply a full mopping of Type III or Type IV asphalt in accordance with manufacturer’s instructions at a minimum rate of 25 lbs per 100 square feet (1.2 kg/m²). Install Ply Sheet HA 87 so that there are no significant and avoidable air spaces between the ply sheet and the substrate.

5. Overlap side laps 3 in (76 mm) and end laps 6 in (152 mm).

K. Ply Sheet TA 87


2. Application to structural concrete surfaces required priming with Vapor Retarder Primer TA. See Vapor Retarder Primer TA product data sheet for additional information.


4. Chalk a line on the deck to align the first sheet. Unroll Ply Sheet TA 87 and allow the sheet to relax. Align the side lap with the chalk line. Back roll the sheet halfway.

5. Begin torching the bottom side of Ply Sheet TA 87. As the bitumen begins to soften pull the roll forward with a metal pole. When heated properly there should be a bleed out of approximately ½ in (1.3 cm). Back roll the other half of the roll and repeat the process.

6. Kick out the next roll and align the side lap. Side laps must be a minimum of 3 in (7.6 cm). End laps should be a minimum of 6 in (15.2 cm). Stagger adjacent end laps a minimum of 12 in (30.5 cm). Cut the lower outside corner of the end lap at a 45 degree angle to minimize material build-up where it will be covered by the next roll.

7. When heating the membrane move the torch in an ‘L’ pattern to ensure heating of the lap area on the bottom sheet. Proper heating will create a minimum ½ in (1.3 cm) bleed out. Walk in the seam area or use a weighted roller to ensure proper adhesion and bleed out. Ensure that all laps are firmly and smoothly adhered without wrinkles, voids or fishmouths.

8. Check the seams with the edge of a trowel. Any loose areas should be lifted with the trowel, re-heated and pushed back down to achieve the necessary bleed out.

3.01 WOOD NAILER INSTALLATION

A. Install continuous code compliant wood nailers at the perimeter of the entire roof and around roof projections and penetrations as shown on the Detail Drawings.

B. New and existing nailer attachment shall meet the requirements of the current Factory Mutual Loss Prevention Data Sheet 1-49.

C. Thickness shall be as required to match substrate and insulation height to allow a smooth transition.

D. Stainless steel, corrosion resistant, fasteners are required when mechanically attaching any Sika Corporation product to wood nailers and wood products treated with ACQ (Alkaline copper Quaternary). When ACQ treated wood is used on steel roof decks or with metal edge detailing, a separation layer must be placed between the metal and ACQ treated wood.

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3.01 INSULATION / ROOF BOARD INSTALLATION

A. General Criteria:

1. For Factory Mutual insured buildings polystyrene insulation may not be applied direct to steel deck.

2. Shall be installed according to manufacturer's instructions.3. Shall be neatly cut to fit around penetrations and projections.4. Install tapered insulation in accordance with insulation manufacturer's shop drawings.5. Do not install more board than can be covered with membrane by the end of the day or the onset

of inclement weather.6. Use at least 2 layers of insulation when the total insulation thickness exceeds 2.7 inches (68

mm). Stagger joints at least 12 inches (0.3 m) between layers.7. Top layer of insulation shall be the membrane underlayment, with edges butted together having

no gaps greater than 1/4 inch (6mm).

B. Mechanical Attachment

1. Boards shall be mechanically fastened to the deck with approved fasteners and plates at a rate according to the board manufacturer's and Sika Corporation's recommendations for fastening rates and patterns. The quantity and locations of the fasteners and plates shall also cause the boards to rest evenly on the roof deck/substrate so that there are no significant and avoidable air spaces between the boards and the substrate.

2. Fasteners must be tight enough so plates do not turn, but not so tight as to deform them.

3. Fasteners are to be installed consistently in accordance with fastener manufacturer's recommendations. Fasteners are to have minimum penetration into structural deck recommended by the fastener manufacturer and Sika Corporation.

4. Use fastener tools with a depth locator and torque-limiting attachment as recommended or supplied by fastener manufacturer to ensure proper installation.

C. Perimeter and Corner Areas

The perimeter and corner area will be determined by building height and width and other conditions according to ASCE 7 guidelines, Sika Corporation Technical or FM LPDS 1-29 if insured by Factory Mutual. To meet the perimeter and corner uplift requirements, increase fastener density by decreasing the spacing between fastener points in one or both directions. The total tributary area to each fastener is no more than 60 percent for the perimeter and 40 percent for corners, based on the field of roof fastening density. See Detail Drawings.

1. Perimeter area is defined as the outer boundary of the roof. If the roof is broken into different levels, each roof area shall be treated as an individual roof with its outer boundary being treated as a perimeter. Typically, internal expansion joints and firewalls are not considered to be full perimeters. Refer to Factory Mutual’s Data Sheet 1-28 for more information.

2. The ridge area is defined as the high point in the roof area formed by two intersecting planes. When the sum of the slopes is a minimum of 4 inches in 12 inches (30 degrees), each side of the ridge shall be treated as a perimeter area.

3.01 SIKAPLAN FASTENED MEMBRANE INSTALLATION

The surface of the insulation or substrate shall be inspected prior to installation of the Sikaplan Fastened membrane. The substrate shall be clean, dry, free from debris and smooth with no surface roughness or contamination. Broken, delaminated, wet or damaged insulation boards shall be removed and replaced. Sikaplan Fastened membrane shall be attached with fasteners and RhinoBond discs according to Sika Corporation’s wind uplift requirements and per ASCE 7 or Factory Mutual.

A. RhinoBond - Membrane Attachment to Structural Deck (Documented Pullout Tests Required)

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1. General

a) Sikaplan Fastened full width rolls shall be placed over the installed boards. Membrane overlaps shall be shingled with the flow of water where possible. Seam overlaps may be placed over RhinoBond discs, welding of the plate will not be affected.

b) Tack welding of the membrane for purposes of temporary restraint during installation is not permitted and may result in voiding of Sikaplan warranty. Consult Sika Corporation’s Technical Department for further information.

2. Field, Perimeter and Corner Areas

Over the properly prepared, installed and attached substrate surface following either the 2 by 2 foot (0.6 by 0.6 m) or 2 by 3 foot (0.6 by 0.9 m) grid pattern, membrane full-width rolls are to be installed so as to properly shed water. See Detail Drawings for fastener layouts. Refer to FM LPDS 1-29 for their requirements for perimeter and corner enhancements.

3. Securement Around Rooftop Penetrations

a) Around all perimeters, at the base of walls, drains, curbs, vent pipes, or any other roof penetrations fasteners and RhinoBond discs, or other approved discs shall be installed according to perimeter rate of attachment. Fasteners shall be installed according to the manufacturer’s instructions. Fasteners shall be installed using the fastener manufacturer’s recommended torque-sensitive fastening tools with depth locators. If RhinoBond discs are not used, the fasteners shall clamp the Sikaplan membrane tightly to the substrate.

b) Sikaplan membrane flashings shall extend 2-1/2 inches (63 mm) past disc and be hot-air welded to the Sikaplan deck membrane.

3.01 RHINOBOND INDUCTION WELDING

A. General

1. Welding equipment shall be provided by or approved by Sika Corporation. All mechanics intending to use the equipment shall have successfully completed a training course provided by a Sika Corporation Technical Service Representative prior to welding.

2. All membrane to be welded shall be clean and dry.

B. Induction Welding

1. Activate the weld between membrane and plate using approved portable induction device. The induction coil must be positioned over the center of the Sarnadisc RhinoBond, +/- 1 inch (25 mm) portable induction device must elevate the temperature of the Sarnadisc RhinoBond from ambient to 400 – 500 degree F (204 – 260 degree C). Cycle time will be affected by available power, use a heavy gauge power cord, at a minimum 12 gauge by 100 feet.

2. When the induction welding cycle is complete, immediately place a Cool & Clamp magnetic weight on the welded assembly. This device must be left in place for at least 60 seconds.

C. Quality Control of Induction Welding

1. The Applicator shall check all induction welds each day. Check welds by using an ordinary plunger centered over the welded plate and pull straight up. Correct welds shall have no separation between the plate and membrane.

3.01 HOT-AIR WELDING OF SEAM OVERLAPS

A. General1. All seams shall be hot-air welded. All membrane to be welded shall be clean and dry.

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2. All mechanics intending to use hot-air welding equipment shall have successfully completed a training course provided by a Sika Corporation Technical Service Representative prior to welding.

3. Hot-air welding equipment shall be allowed to warm up for at least one minute prior to welding.4. Seam overlaps should be 3 inches (76 mm) wide when automatic machine-welding and 4 inches (100

mm) wide when hand-welding, except for certain details.

B. Hand-Welding1. The back edge of the seam shall be welded with a narrow but continuous weld to prevent loss of hot

air during the final welding.2. The nozzle shall be inserted into the seam at a 45 degree angle to the edge of the membrane. Once

the proper welding temperature has been reached and the membrane begins to "flow”, the hand roller is positioned perpendicular to the nozzle and rolled lightly. For straight seams, the 1-1/2 inch (40 mm) wide nozzle is recommended for use. For corners and compound connections, the 3/4 inch (20 mm) wide nozzle shall be used.

C. Machine Welding1. Machine welded seams are achieved by the use of approved automatic welding equipment. When

using this equipment, all instructions shall be followed and local codes for electric supply, grounding and over current protection observed. Dedicated circuit house power or a dedicated portable generator is recommended. No other equipment shall be operated simultaneously off the generator.

2. Metal tracks may be used over the deck membrane and under the machine welder to minimize or eliminate wrinkles.

D. Quality Control of Welded Seams

1. The Applicator shall check all welded seams for continuity using a rounded screwdriver. Visible evidence that welding is proceeding correctly is smoke during the welding operation, shiny membrane surfaces, and an uninterrupted flow of dark gray material from the underside of the top membrane. On-site evaluation of welded seams shall be made daily by the Applicator at locations as directed by the Owner's Representative or Sika Corporation's representative. One inch (25 mm) wide cross-section samples of welded seams shall be taken at least three times a day. Correct welds display failure from shearing of the membrane prior to separation of the weld. Each test cut shall be patched by the Applicator at no extra cost to the Owner.

3.01 MEMBRANE FLASHINGS

All flashings shall be installed concurrently with the roof membrane as the job progresses. No temporary flashings shall be allowed without the prior written approval of the Owner's Representative and Sika Corporation. Approval shall only be for specific locations on specific dates. If any water is allowed to enter under the newly completed roofing, the affected area shall be removed and replaced at the Applicator's expense. Flashing shall be adhered to compatible, dry, smooth, and solvent-resistant surfaces. Use caution to ensure adhesive fumes are not drawn into the building.

A. Adhesive for Membrane Flashings

1. Over the properly installed and prepared flashing substrate, Sarnacol adhesive shall be applied according to instructions found on the Product Data Sheet. The Sarnacol adhesive shall be applied in smooth, even coats with no gaps, globs or similar inconsistencies. Only an area which can be completely covered in the same day's operations shall be flashed. The bonded sheet shall be pressed firmly in place with a hand roller.

2. No adhesive shall be applied in seam areas that are to be welded. All panels of membrane shall be applied in the same manner, overlapping the edges of the panels as required by welding techniques.

B. Install Sarnabar/Sarnacord according to the Detail Drawings with approved fasteners into the structural deck at the base of parapets, walls and curbs. Sarnabars may be required by Sika Corporation at the base of all tapered edge strips and at transitions, peaks, and valleys according to Sika Corporation’s details.

C. Sika Corporation's requirements and recommendations and the specifications shall be followed. All material submittals shall have been accepted by Sika Corporation prior to installation.

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D. All flashings should extend a minimum of 8 inches (0.2 m) above roofing level, exceptions to this might be pipe boots and/or sealant pockets, etc. If in question, submit in writing to the Owner's Representative and Sika Corporation Technical Department for signed approval.

E. All flashing membranes shall be consistently adhered to substrates. All interior and exterior corners and miters shall be cut and hot-air welded into place. No bitumen shall be in contact with the Sikaplan membrane.

F. All flashing membranes shall be mechanically fastened along the counter-flashed top edge with Sarnastop at 6-8 inches (0.15-0.20 m) on center.

G. Sarnafil flashings shall be terminated according to Sika Corporation recommended details.

H. All adhered flashings that exceed 30 inches (0.75 m) in height shall receive additional securement. Consult Sika Corporation Technical Department for securement methods.

3.01 LIQUID FLASHING SW or WW INSTALLATION

A. Surface Preparation1. All surfaces should be clean, dry, free of dirt, dust, debris, loose particles, loose paint, rust and other

contaminants.2. Clean new roofing membrane with mineral spirits or all-purpose cleaner which will not remove the

lacquer coating from the membrane. If the membrane is old or extremely soiled Sika Seam Cleaner should be used to restore the membrane to a ‘like new’condition before applying Liquid Flashing.

3. Clean and prepare metal surfaces to near white metal in accordance with SSPC-SP3 (power tool clean). If power tools are not available, use abrasive paper with a grain size of 20 to 40 to remove all loose particles including paint flakes and rust.

4. Grind concrete and masonry surfaces with diamond cup wheel to remove laitance and contaminants.5. Lightly sand glass, rigid PVC and plastic surfaces. Extend surface preparation a minimum of 1/8 in (3

mm) beyond the termination of the flashing.6. Wipe metal and glass surfaces with Sika’s Seam Cleaner and allow to dry. 7. For repairs or touch-up, wipe previously installed Liquid Flashing with Sika’s Seam Cleaner to clean

and reactivate the Liquid Flashing and allow to dry.8. Prime wood and concrete surfaces with Liquid Flashing Primer. Allow Liquid Flashing Primer to cure

completely before applying Liquid Flashing.9. Apply painters tape to ‘picture frame’ and mask the outside edge of the detail. Place the tape 2 in (51

mm) beyond where the Liquid Flashing Fleece will terminate.10. Pre-cut Liquid Flashing Fleece to fit around the penetration. Vertical flashing pieces must extend 2 in

(51 mm) from the base and horizontal flashing pieces must extend 4 in (102 mm) out from the base. Flashing height should be a minimum of 8 in (203 mm) where possible.

B. Mixing Liquid Flashing SWThoroughly mix the entire container of Liquid Flashing SW with a slow-speed (200 to 400 rpm) mechanical mixer (electric drill with a mixing paddle) for two minutes.Small Batch – 1 Liter1. After mixing, pour 1 liter of Liquid Flashing SW into a clean plastic container.2. Add 2 level tablespoons (20 g) of Liquid Flashing Catalyst to Liquid Flashing SW and mix with a slow-

speed mechanical mixer for two minutes. 3. Using Liquid Flashing SW ambient temperature must be between 59°F (15°C) and 104°F (40°C)

when mixing. 4. Once mixed, the pot life is approximately 10 - 15 minutes depending on the ambient and surface

temperature.Full Batch – 10 L Pail5. After mixing, add 2.5 packets (250 g) of Liquid Flashing Catalyst to Liquid Flashing SW and mix with

a slow-speed mechanical mixer for two minutes. 6. Using Liquid Flashing SW ambient temperature must be between 59°F (15°C) and 104°F (40°C)

when mixing. 7. Once mixed, the pot life is approximately 5 -10 minutes depending on the ambient and surface

temperature.

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C. Mixing Liquid Flashing WWThoroughly mix the entire container of Liquid Flashing WW with a slow-speed (200 to 400 rpm) mechanical mixer (electric drill with a mixing paddle) for two minutes.Small Batch – 1 Liter1. After mixing, pour 1 liter of Liquid Flashing into a clean plastic container.2. Add 4 level tablespoons (40 g) of Liquid Flashing Catalyst to Liquid Flashing WW and mix with a

slow-speed mechanical mixer for two minutes. 3. Using Liquid Flashing WW ambient temperature must be between 23°F (-5°C) and 68°F (20°C) when

mixing. 4. Once mixed, the pot life is approximately 10 - 15 minutes depending on the ambient and surface

temperature.Full Batch – 10 L Pail5. After mixing, add 5 packets (500 g) of Liquid Flashing Catalyst to Liquid Flashing WW and mix with a

slow-speed mechanical mixer for two minutes. 6. Using Liquid Flashing WW ambient temperature must be between 23°F (-5°C) and 68°F (20°C) when

mixing. 7. Once mixed, the pot life is approximately 5 -10 minutes depending on the ambient and surface

temperature.

D. Application1. After mixing in the Liquid Flashing Catalyst, apply Liquid Flashing to the clean prepared surface using

a small ½ in (13 mm) nap roller with rounded edges. 2. Apply 55 mils (1.4 mm) of Liquid Flashing evenly onto the substrate and terminate onto the inside

edge of the painters tape. Place the Liquid Flashing Fleece into the wet Liquid Flashing taking care to remove any air bubbles and wrinkles. Terminate the Liquid Flashing Fleece 2 in (51 mm) from the inside edge of the painters tape. Apply additional Liquid Flashing at overlaps between the fleece layers.

3. Immediately apply 25 mils (0.6 mm) of additional Liquid Flashing to fully saturate the fleece. Extend Liquid Flashing onto the inside edge of the painters tape. Remove the painters tape immediately after the Liquid Flashing application.

4. Complex and irregular shapes such as nuts, bolts, etc. may require an additional 25 mil (0.6 mm) thick application of Liquid Flashing to ensure full coverage. Wait one hour before applying the additional coat.

3.01 METAL FLASHINGS

A. Metal details, fabrication practices and installation methods shall conform to the applicable requirements of the following:1. Factory Mutual Loss Prevention Data Sheet 1-49 (latest issue).2. Sheet Metal and Air Conditioning Contractors National Association, Inc. (SMACNA) - latest issue.

B. Metal, other than that provided by Sika Corporation, is not covered under the Sika Corporation warranty.

C. Complete all metal work in conjunction with roofing and flashings so that a watertight condition exists daily.

D. Metal shall be installed to provide adequate resistance to bending to allow for normal thermal expansion and contraction.

E. Metal joints shall be watertight.

F. Metal flashings shall be securely fastened into solid wood blocking. Fasteners shall penetrate the wood nailer a minimum of 1 inch (25 mm).

G. Airtight and continuous metal hook strips are required behind metal fascias. Hook strips are to be fastened 12 inches (0.3 m) on center into the wood nailer or masonry wall.

H. Counter flashings shall overlap base flashings at least 4 inches (100 mm).

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I. Hook strips shall extend past wood nailers over wall surfaces by 1-1/2 inch (38 mm) minimum and shall be securely sealed from air entry.

3.01 SARNACLAD METAL BASE FLASHINGS/EDGE METAL

All flashings shall be installed concurrently with the roof membrane as the job progresses. No temporary flashings shall be allowed without the prior written approval of the Owner's Representative and Sika Corporation. Acceptance shall only be for specific locations on specific dates. If any water is allowed to enter under the newly completed roofing due to incomplete flashings, the affected area shall be removed and replaced at the Applicator's expense.

A. Sarnaclad metal flashings shall be formed and installed per the Detail Drawings.

1. All metal flashings shall be fastened into solid wood nailers with two rows of post galvanized flat head annular ring nails, 4 inches (100 mm) on center staggered. Fasteners shall penetrate the nailer a minimum of 1 inch (25 mm).

2. Metal shall be installed to provide adequate resistance to bending and allow for normal thermal expansion and contraction.

B. Adjacent sheets of Sarnaclad shall be spaced 1/4 inch (6 mm) apart. The joint shall be covered with 2 inch (50 mm) wide aluminum tape. A 4 inch minimum (100 mm) wide strip of Sarnafil flashing membrane shall be hot-air welded over the joint.

3.01 EDGE METAL

All flashings shall be installed concurrently with the roof membrane as the job progresses. No temporary flashings shall be allowed without the prior written approval of the Owner's Representative and Sika Corporation. Acceptance shall only be for specific locations on specific dates. If any water is allowed to enter under the newly completed roofing due to incomplete flashings, the affected area shall be removed and replaced at the Applicator's expense.

A. Edge Grip

1. Position the roof membrane over edge of roof and down outside face of wall covering wood nailer(s) completely. Allow 1/2 inch (13 mm) of excess membrane to extend down past the wood nailer. Hot-air weld all seams making sure there are no voids in welds.

2. Apply a 3/8 inch (10 mm) continuous bead of Sikaflex – 1a sealant to the clean bottom of formed retainer. Install formed retainer from right to left as seen from rooftop. Overlap joints of straight run sections a minimum of 1 inch (25 mm) and corner sections a minimum of 5 inches (127 mm). Field cut sections as necessary.

3. Fasten formed retainer into side of nailer 12 inches (0.3 m) on center. Use fasteners provided with Edge Grip system; 1-1/2 inch (38 mm) hex head stainless steel fasteners with neoprene washers.

4. Fasteners shall provide a minimum 240 lbs. (109 kg) pull-out resistance; suitable for the substrates to which being installed.

5. Install concealed joint splice plates intersecting sections of snap-on fascia cover joints.

6. Position snap-on fascia cover so that it’s top engages the formed retainer top. Rotate downward engaging bottoms of snap-on fascia cover and formed retainer. Allow 1/4 inch (6 mm) gap between snap-on fascia sections for thermal expansion. Field cut where necessary.

B. Edge Grip Extruded

1. Position the roof membrane over edge of roof and down outside face of wall covering wood nailer(s) completely. Allow 1/2 inch (13 mm) of excess membrane to extend down past the wood nailer. Hot-air weld all seams making sure there are no voids in welds.

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2. Apply a 3/8 inch (10 mm) continuous bead of Sikaflex – 1a sealant to the clean bottom of heavy-duty extruded retainer. Install extruded retainer from right to left as seen from rooftop. Field cut sections as necessary.

3. Install retainer splice under intersecting sections of extruded retainer.

4. Fasten extruded retainer into side of nailer 12 inches (0.3 m) on center. Use fasteners provided with Edge Grip Extruded system; 1-1/2 inch (38 mm) hex head stainless steel fasteners with neoprene washers. Allow 1/8 inch (3 mm) gap between extruded retainer sections for thermal expansion [1/4 inch (6 mm) if temperature is below 40 degrees F (4 C)].

5. Fasteners shall provide a minimum 240 lbs. (109 kg) pull-out resistance; suitable for the substrates to which being installed.

6. Install concealed joint splice plates at intersecting sections of snap-on fascia cover joints.

7. Position snap-on fascia cover so that it’s top engages the extruded retainer top. Rotate downward engaging bottoms of snap-on fascia cover and extruded retainer base plate. Allow 1/4 inch (6 mm) gap between snap-on fascia sections for thermal expansion. Field cut where necessary.

3.02 WALKWAY INSTALLATION

A. Sarnatred-V

Roofing membrane to receive Sarnatred-V shall be clean and dry. Place chalk lines on deck sheet to indicate location of Sarnatred-V. Apply a continuous coat of Sarnacol 2170 or 2170 VC adhesive to the deck sheet and the back of Sarnatred-V in accordance with Sika Corporation's technical requirements and press Sarnatred-V into place with a minimum 100 lb (45 kg) steel, membrane roller, by rolling in two directions. Clean the deck membrane in areas to be welded. Hot-air weld the entire perimeter of the Sarnatred-V to the Sarnafil deck sheet. Check all welds with a rounded screwdriver. Re-weld any inconsistencies. Important: Check all existing membrane seams which are to be covered by Sarnatred-V with a rounded screwdriver and reweld any inconsistencies before installation. Do not run Sarnatred-V over Sarnabars.

B. Crossgrip XTRA

Crossgrip XTRA is installed loose laid on top of completed Sarnafil membrane roof assemblies. Unroll and position Crossgrip XTRA within specified areas and cut to desired length. Connecting clips are available for butting two ends together. Important: Check all existing membrane seams which are to be covered by Crossgrip XTRA with a rounded screwdriver and reweld any inconsistencies before installation. Do not run Crossgrip XTRA over Sarnabars.

3.01 PERIMETER WARNING INSTALLATION

A. Tape / Membrane

Areas of membrane where to be applied must be cleaned to a “like new” condition. Failure to properly clean the membrane will result in less than satisfactory adhesion or welding. The membrane should be cleaned as follows:

1) New membrane: Remove loose dirt and dust by wiping clean with water. For areas where dirt is embedded, scrub the application area with a commercial cleaner such as Simple Green, 409 or other similar all-purpose cleaner using a Scotch Brite scrubbing pad or similar product. Wash away residual cleaning material with clean water.

2) Weathered membrane: For older membranes or areas where there is excessive dirt buildup, use the above cleaning procedure followed by cleaning with a natural fiber rag wet with Seam Cleaner, and

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wipe away all residual cleaning solution and remaining dirt until membrane has a “like new” appearance.

After surface is clean and dry, apply:

1) Tape: Apply tape to membrane taking care to avoid trapping air and creating blisters as tape is smoothed over with hand pressure. If a chalk line is used, be sure to keep chalk dust clear of application area. Do not apply Perimeter Warning Tape to surfaces where the temperature is below 40°F (4°C).

2) Membrane: Perimeter Warning Membrane is hot-air welded to the top of PVC roofing membrane in the areas required.

Perimeter Warning Tape or Membrane may be slippery when wet.

3.01 TEMPORARY CUT-OFF

All flashings shall be installed concurrently with the roof membrane in order to maintain a watertight condition as the work progresses. All temporary waterstops shall be constructed to provide a 100 percent watertight seal. The stagger of the insulation joints shall be made even by installing partial panels of insulation. The new membrane shall be carried into the waterstop. Waterstop shall be sealed to the deck and substrate so that water will not be allowed to travel under the new or existing roofing. The edge of the membrane shall be sealed in a continuous heavy application of sealant as described in Section Error:Reference source not found. When work resumes, the contaminated membrane shall be cut out. All sealant, contaminated membrane, insulation fillers, etc. shall be removed from the work area and properly disposed of off site. None of these materials shall be used in the new work.

If inclement weather occurs while a temporary waterstop is in place, the Applicator shall provide the labor necessary to monitor the situation to maintain a watertight condition.

If any water is allowed to enter under the newly-completed roofing, the affected area shall be removed and replaced at the Applicator's expense.

3.02 COMPLETION

Prior to demobilization from the site, the work shall be reviewed by the Owner's Representative and the Applicator. All defects noted and non-compliances with the Specifications or the recommendations of Sika Corporation shall be itemized in a punch list. These items must be corrected immediately by the Applicator to the satisfaction of the Owner's Representative and Sika Corporation prior to demobilization.

All Warranties referenced in this Specification shall have been submitted and have been accepted at time of contract award.

3.03 DETAILS

Refer to Typical System Details section or usa.sarnafil.sika.com.

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