Section 09111 Non-load-bearing Steel Framing Part 1

8/14/2019 Section 09111 Non-load-bearing Steel Framing Part 1

1/94

Mt. Pleasant Library 09111-1 75% Printing: 20 February 2009CORE Group, P.C. NON-LOAD-BEARING STEEL FRAMING

SECTION 09111

PART 1 - GENERAL

NON-LOAD-BEARING STEEL FRAMING

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and SupplementaryConditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes non-load-bearing steel framing members for the following applications:

1. Interior framing systems (e.g., supports for partition walls, framed soffits, furring, etc.).2. Interior suspension systems (e.g., supports for ceilings, suspended soffits, etc.).

B. Related Sections include the following:

1. Division 7 Section "Building Insulation" for insulation installed with Z-shaped furringmembers.

2. Division 7 Section "Fire-Resistive Joint Systems" for head-of-wall joint systems installedwith non-load-bearing steel framing.

1.3 SUBMITTALS

A. Product Data: For each type of product indicated.

B. LEED Submittal:

1. Product Data for Credit MR 4.1 and Credit MR 4.2: For products having recycledcontent, documentation indicating percentages by weight of postconsumer andpreconsumer recycled content.

a. Include statement indicating costs for each product having recycled content.

1.4 QUALITY ASSURANCE

A. Fire-Test-Response Characteristics: For fire-resistance-rated assemblies that incorporate non-load-bearing steel framing, provide materials and construction identical to those tested inassembly indicated according to ASTM E 119 by an independent testing agency.

B. STC-Rated Assemblies: For STC-rated assemblies, provide materials and construction identicalto those tested in assembly indicated according to ASTM E 90 and classified according toASTM E 413 by an independent testing agency.


2/94


PART 2 - PRODUCTS

2.1 NON-LOAD-BEARING STEEL FRAMING, GENERAL

A. Recycled Content of Steel Products: Provide products with average recycled content of steelproducts such that postconsumer recycled content plus one-half of preconsumer recycledcontent is not less than 25 percent.

B. Framing Members, General: Comply with ASTM C 754 for conditions indicated.

1. Steel Sheet Components: Comply with ASTM C 645 requirements for metal, unlessotherwise indicated.

2. Protective Coating: ASTM A 653/A 653M, G40 (Z120)

2.2 SUSPENSION SYSTEM COMPONENTS

, hot-dip galvanized, unlessotherwise indicated.

A. Tie Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.0625-inch- (1.59-mm-)diameter wire, or double strand of 0.0475-inch- (1.21-mm-)

B. Hanger Attachments to Concrete:

diameter wire.

1. Anchors: Fabricated from corrosion-resistant materials with holes or loops for attachingwire hangers and capable of sustaining, without failure, a load equal to 5 times thatimposed by construction as determined by testing according to ASTM E 488 by anindependent testing agency.

a. Type: Cast-in-place anchor, designed for attachment to concrete forms.

2. Powder-Actuated Fasteners: Suitable for application indicated, fabricated fromcorrosion-resistant materials with clips or other devices for attaching hangers of typeindicated, and capable of sustaining, without failure, a load equal to 10 times thatimposed by construction as determined by testing according to ASTM E 1190 by anindependent testing agency.

C. Wire Hangers: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.162-inch (4.12-mm)

D. Flat Hangers: Steel sheet,

diameter.

1 by 3/16 inch (25.4 by 4.76 mm)

E. Carrying Channels: Cold-rolled, commercial-steel sheet with a base-metal thickness of

by length indicated.

0.0538inch (1.37 mm) and minimum 1/2-inch- (12.7-mm-)

1. Depth:

wide flanges.

2 inches

F. Furring Channels (Furring Members):

(51 mm).

1. Cold-Rolled Channels: 0.0538-inch (1.37-mm) bare-steel thickness, with minimum 1/2-inch- (12.7-mm-) wide flanges, 3/4 inch (19.1 mm)

2. Steel Studs: ASTM C 645.deep.


3/94


a. Minimum Base-Metal Thickness: 0.0179 inchb. Depth:

(0.45 mm).2-1/2 inches

3. Hat-Shaped, Rigid Furring Channels: ASTM C 645,

(63.5 mm).

7/8 inch (22.2 mm)

a. Minimum Base Metal Thickness:

deep unlessotherwise indicated.

0.0179 inch

4. Resilient Furring Channels:

(0.45 mm).

1/2-inch- (12.7-mm-)

a. Configuration: Asymmetrical or hat shaped.

deep members designed to reducesound transmission.

G. Grid Suspension System for Ceilings: ASTM C 645, direct-hung system composed of mainbeams and cross-furring members that interlock.

1. Products: Subject to compliance with requirements, provide one of the following:

a. Armstrong World Industries, Inc.; Drywall Grid Systems.b. Chicago Metallic Corporation; 640-C, Fire Front 650-C, 660-C or Fire Front 670-C Drywall Furring System.

c. USG Corporation; Drywall Suspension System.

2.3 STEEL FRAMING FOR FRAMED ASSEMBLIES

A. Steel Studs and Runners: ASTM C 645.

1. Minimum Base-Metal Thickness: 25 gage unless otherwise indicated. 0.021 inch (0.53mm)

2. Depth:.

3-5/8 inches (92.1 mm)

B. Slip-Type Head Joints: Where indicated, provide the following:

.

1. Double-Runner System: ASTM C 645 top runners, inside runner with 2-inch- (50.8-mm-)

C. Flat Strap and Backing Plate: Steel sheet for blocking and bracing in length and widthindicated.

deep flanges in thickness not less than indicated for studs and fastened to studs, and outerrunner sized to friction fit inside runner.

1. Minimum Base-Metal Thickness: 0.0312 inch

D. Cold-Rolled Channel Bridging:

(0.79 mm).

0.0538-inch (1.37-mm) bare-steel thickness, with minimum1/2-inch- (12.7-mm-)

1. Depth:

wide flanges.

1-1/2 inches2. Clip Angle: Not less than

(38.1 mm).1-1/2 by 1-1/2 inches (38.1 by 38.1 mm) , 0.068-inch- (1.73-

mm-)

E. Hat-Shaped, Rigid Furring Channels: ASTM C 645.

thick, galvanized steel.


4/94


1. Minimum Base Metal Thickness: 0.0179 inch2. Depth:

(0.45 mm).7/8 inch

F. Z-Shaped Furring: With slotted or nonslotted web, face flange of

(22.2 mm) unless otherwise indicated.

1-1/4 inches (31.8 mm), wallattachment flange of 7/8 inch (22.2 mm), minimum bare-metal thickness of 0.0179 inch (0.45mm)

2.4 AUXILIARY MATERIALS

, and depth required to fit insulation thickness indicated.

A. General: Provide auxiliary materials that comply with referenced installation standards.

1. Fasteners for Metal Framing: Of type, material, size, corrosion resistance, holdingpower, and other properties required to fasten steel members to substrates.

B. Isolation Strip at Exterior Walls: Provide one of the following:

1. Asphalt-Saturated Organic Felt: ASTM D 226, Type I (No. 15 asphalt felt),

nonperforated.2. Foam Gasket: Adhesive-backed, closed-cell vinyl foam strips that allow fastenerpenetration without foam displacement, 1/8 inch (3.2 mm)

PART 3 - EXECUTION

thick, in width to suit steelstud size.

3.1 EXAMINATION

A. Examine areas and substrates, with Installer present, and including welded hollow-metal frames,cast-in anchors, and structural framing, for compliance with requirements and other conditionsaffecting performance.

1. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Suspended Assemblies: Coordinate installation of suspension systems with installation of overhead structure to ensure that inserts and other provisions for anchorages to buildingstructure have been installed to receive hangers at spacing required to support the Work and thathangers will develop their full strength.

1. Furnish concrete inserts and other devices indicated to other trades for installation inadvance of time needed for coordination and construction.

B. Coordination with Sprayed Fire-Resistive Materials:

1. Before sprayed fire-resistive materials are applied, attach offset anchor plates or ceilingrunners (tracks) to surfaces indicated to receive sprayed fire-resistive materials. Whereoffset anchor plates are required, provide continuous plates fastened to building structurenot more than 24 inches (600 mm) o.c.


5/94


2. After sprayed fire-resistive materials are applied, remove them only to extent necessaryfor installation of non-load-bearing steel framing. Do not reduce thickness of fire-resistive materials below that required for fire-resistance ratings indicated. Protectadjacent fire-resistive materials from damage.

3.3 INSTALLATION, GENERAL

A. Installation Standard: ASTM C 754, except comply with framing sizes and spacing indicated.

1. Gypsum Board Assemblies: Also comply with requirements in ASTM C 840 that applyto framing installation.

B. Install supplementary framing, and blocking to support fixtures, equipment services, heavy trim,grab bars, toilet accessories, furnishings, or similar construction.

C. Install bracing at terminations in assemblies.

D. Do not bridge building control and expansion joints with non-load-bearing steel framingmembers. Frame both sides of joints independently.

3.4 INSTALLING SUSPENSION SYSTEMS

A. Install suspension system components in sizes and spacings indicated on Drawings, but not lessthan those required by referenced installation standards for assembly types and other assemblycomponents indicated.

B. Isolate suspension systems from building structure where they abut or are penetrated bybuilding structure to prevent transfer of loading imposed by structural movement.

C. Suspend hangers from building structure as follows:

1. Install hangers plumb and free from contact with insulation or other objects within ceilingplenum that are not part of supporting structural or suspension system.

a. Splay hangers only where required to miss obstructions and offset resultinghorizontal forces by bracing, countersplaying, or other equally effective means.

2. Where width of ducts and other construction within ceiling plenum produces hangerspacings that interfere with locations of hangers required to support standard suspensionsystem members, install supplemental suspension members and hangers in the form of trapezes or equivalent devices.

a. Size supplemental suspension members and hangers to support ceiling loads withinperformance limits established by referenced installation standards.

3. Wire Hangers: Secure by looping and wire tying, either directly to structures or toinserts, eye screws, or other devices and fasteners that are secure and appropriate forsubstrate, and in a manner that will not cause hangers to deteriorate or otherwise fail.

4. Flat Hangers: Secure to structure, including intermediate framing members, by attachingto inserts, eye screws, or other devices and fasteners that are secure and appropriate for


6/94


structure and hanger, and in a manner that will not cause hangers to deteriorate orotherwise fail.

5. Do not attach hangers to steel roof deck.6. Do not attach hangers to permanent metal forms. Furnish cast-in-place hanger inserts

that extend through forms.7. Do not attach hangers to rolled-in hanger tabs of composite steel floor deck.8. Do not connect or suspend steel framing from ducts, pipes, or conduit.

D. Fire-Resistance-Rated Assemblies: Wire tie furring channels to supports.

E. Grid Suspension Systems: Attach perimeter wall track or angle where grid suspension systemsmeet vertical surfaces. Mechanically join main beam and cross-furring members to each otherand butt-cut to fit into wall track.

F. Installation Tolerances: Install suspension systems that are level to within 1/8 inch in 12 feet (3mm in 3.6 m)

3.5 INSTALLING FRAMED ASSEMBLIES

measured lengthwise on each member that will receive finishes and transverselybetween parallel members that will receive finishes.

A. Where studs are installed directly against exterior masonry walls or dissimilar metals at exteriorwalls, install isolation strip between studs and exterior wall.

B. Install studs so flanges within framing system point in same direction.

1. Space studs as follows:

a. Single-Layer Application: 16 inches (406 mm)b. Multilayer Application:

o.c., unless otherwise indicated.16 inches (406 mm)

c. Tile backing panels:o.c., unless otherwise indicated.

16 inches (406 mm)

C. Install tracks (runners) at floors and overhead supports. Extend framing full height to structuralsupports or substrates above suspended ceilings, except where partitions are indicated toterminate at suspended ceilings. Continue framing around ducts penetrating partitions aboveceiling.

o.c., unless otherwise indicated.

1. Slip-Type Head Joints: Where framing extends to overhead structural supports, install toproduce joints at tops of framing systems that prevent axial loading of finishedassemblies.

2. Door Openings: Screw vertical studs at jambs to jamb anchor clips on door frames;install runner track section (for cripple studs) at head and secure to jamb studs.

a. Install two studs at each jamb, unless otherwise indicated.b. Install cripple studs at head adjacent to each jamb stud, with a minimum 1/2-inch

(12.7-mm)

c. Extend jamb studs through suspended ceilings and attach to underside of overheadstructure.

clearance from jamb stud to allow for installation of control joint infinished assembly.


7/94


3. Other Framed Openings: Frame openings other than door openings the same as requiredfor door openings, unless otherwise indicated. Install framing below sills of openings tomatch framing required above door heads.

4. Fire-Resistance-Rated Partitions: Install framing to comply with fire-resistance-ratedassembly indicated and support closures and to make partitions continuous from floor tounderside of solid structure.

a. Firestop Track: Where indicated, install to maintain continuity of fire-resistance-rated assembly indicated.

5. Sound-Rated Partitions: Install framing to comply with sound-rated assembly indicated.6. Curved Partitions:

a. Bend track to uniform curve and locate straight lengths so they are tangent to arcs.b. Begin and end each arc with a stud, and space intermediate studs equally along

arcs. On straight lengths of not less than 2 studs at ends of arcs, place studs 6inches (150 mm)

D. Direct Furring:

o.c.

1. Screw to wood framing.2. Attach to concrete or masonry with stub nails, screws designed for masonry attachment,

or powder-driven fasteners spaced 24 inches (610 mm)

E. Z-Furring Members:

o.c.

1. Erect insulation (specified in Division 7 Section "Building Insulation") vertically andhold in place with Z-furring members spaced 24 inches (610 mm)

2. Except at exterior corners, securely attach narrow flanges of furring members to wallwith concrete stub nails, screws designed for masonry attachment, or powder-driven

fasteners spaced

o.c.

24 inches (600 mm)3. At exterior corners, attach wide flange of furring members to wall with short flangeextending beyond corner; on adjacent wall surface, screw-attach short flange of furringchannel to web of attached channel. At interior corners, space second member no morethan

o.c.

12 inches (300 mm)

F. Installation Tolerance: Install each framing member so fastening surfaces vary not more than

from corner and cut insulation to fit.

1/8 inch (3 mm)

END OF SECTION 09111

from the plane formed by faces of adjacent framing.


8/94

Mt. Pleasant Library 09210-1 16 January 2009CORE Group, P.C. GYPSUM PLASTER

SECTION 09210

PART 1 - GENERAL

GYPSUM PLASTER



1.2 SUMMARY

A. Section Includes:

1. Gypsum plasterwork on expanded-metal lath, unit masonry and monolithic concrete.

1.3 SUBMITTALS


B. LEED Submittals:

1. Product Data for Credit MR 4.1 and Credit MR 4.2: For products having recycledcontent, documentation indicating percentages by weight of postconsumer andpreconsumer recycled content.


2. Product Data for Credit EQ 4.1: For sealants, including printed statement of VOCcontent.

C. Shop Drawings: Show locations and installation of control and expansion joints includingplans, elevations, sections, details of components, and attachments to other work.


A. Fire-Resistance Ratings: Where indicated, provide gypsum plaster assemblies identical to thoseof assemblies tested for fire resistance per ASTM E 119 by a qualified testing agency. Identifyproducts with appropriate markings of applicable testing agency.

B. Sound Transmission Characteristics: Where indicated, provide gypsum plaster assembliesidentical to those of assemblies tested for STC ratings per ASTM E 90 and classified accordingto ASTM E 413 by a qualified testing agency.


9/94


C. Mockups: Before plastering, install mockups of at least 100 sq. ft. (9 sq. m)

1. Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

in surface area todemonstrate aesthetic effects and set quality standards for materials and execution.

1.5 PROJECT CONDITIONS

A. Comply with ASTM C 842 requirements or gypsum plaster manufacturer's writtenrecommendations, whichever are more stringent.

PART 2 - PRODUCTS

2.1 EXPANDED-METAL LATH

A.

Expanded-Metal Lath: ASTM C 847, cold-rolled carbon-steel sheet, ASTM A 653/A 653M,G60 (Z180)

1. Recycled Content: Provide steel products with average recycled content such thatpostconsumer recycled content plus one-half of preconsumer recycled content is not lessthan 25 percent.

, hot-dip galvanized zinc coated.

2. Paper Backing: Kraft paper factory bonded to back of lath.3. Diamond-Mesh Lath: Flat, 3.4 lb/sq. yd. (1.8 kg/sq. m)

2.2 ACCESSORIES

.

A. General: Comply with ASTM C 841 and coordinate depth of trim and accessories withthicknesses and number of plaster coats required.

B. Metal Accessories:

1. Cornerite: Fabricated from expanded-metal lath with ASTM A 653/A 653M, G60(Z180)

2. Striplath: Fabricated from expanded-metal lath with ASTM A 653/A 653M,, hot-dip galvanized zinc coating.

G60 (Z180)

3. Cornerbeads: Fabricated from zinc or zinc-coated (galvanized) steel.

,hot-dip galvanized zinc coating.

a. Small-nose style; use unless otherwise indicated.

4. Casing Beads: Fabricated from zinc or zinc-coated (galvanized) steel; square-edgedstyle; with expanded flanges.

5. Control Joints: Fabricated from zinc or zinc-coated (galvanized) steel; one-piece-type,folded pair of unperforated screeds in M-shaped configuration; with perforated flangesand removable protective tape on plaster face of control joint.

6. Expansion Joints: Fabricated from zinc or zinc-coated (galvanized) steel; folded pair of unperforated screeds in M-shaped configuration; with expanded flanges.


10/94


7. Two-Piece Expansion Joints: Fabricated from zinc or zinc-coated (galvanized) steel;formed to produce slip-joint and square-edged reveal that is adjustable from 1/4 to 5/8inch (6 to 16 mm)

C. Plastic Accessories: Fabricated from high-impact PVC.

wide; with perforated flanges.

1. Cornerbeads: With perforated flanges.

a. Small-nose style; use unless otherwise indicated.

2. Casing Beads: With perforated flanges in depth required to suit plaster bases indicatedand flange length required to suit applications indicated.

a. Square-edge style; use unless otherwise indicated.

3. Control Joints: One-piece-type, folded pair of unperforated screeds in M-shapedconfiguration; with perforated flanges and removable protective tape on plaster face of control joint.

4. Expansion Joints: Two-piece type, formed to produce slip-joint and square-edged 1-inch-(25.4-mm-)

2.3 MISCELLANEOUS MATERIALS

wide reveal, unless otherwise indicated; with perforated concealed flanges.

A. Water for Mixing and Finishing Plaster: Potable and free of substances capable of affectingplaster set or of damaging plaster, lath, or accessories.

B. Bonding Compound: ASTM C 631.

C. Steel Drill Screws: For metal-to-metal fastening, ASTM C 1002 or ASTM C 954, as requiredby thickness of metal being fastened; with pan head that is suitable for application; in lengthsrequired to achieve penetration through joined materials of no fewer than three exposed threads.

D. Fasteners for Attaching Metal Lath to Substrates: Complying with ASTM C 841.

E. Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, not less than 0.0475-inch(1.21-mm)

F. Sound Attenuation Blankets: ASTM C 665, Type I (blankets without membrane facing)produced by combining thermosetting resins with mineral fibers manufactured from glass, slagwool, or rock wool.

diameter, unless otherwise indicated.

1. Fire-Resistance-Rated Assemblies: Comply with mineral-fiber requirements of ratedassembly.

2. Recycled Content: Provide blankets with recycled content such that postconsumerrecycled content plus one-half of preconsumer recycled content constitutes a minimum of 25 percent by weight.

G. Acoustical Sealant: As specified in Division 7 Section "Joint Sealants."

1. Provide sealants that have a VOC content of 250 g/L or less when calculated according to40 CFR 59, Subpart D (EPA Method 24).


11/94


2.4 BASE-COAT PLASTER MATERIALS

A. Base-Coat Plasters, General: ASTM C 28/C 28M.

B. Gypsum Neat Plaster: For use with job-mixed aggregates.


a. National Gypsum Company; Gold Bond Two-Way Hardwall Plaster.b. USG Corporation; Red Top Gypsum Plaster.

C. High-Strength Gypsum Neat Plaster: With a minimum, average, dry compressive strength of 2800 psi (19 MPa) per ASTM C 472 for a mix of 100 lb (45 kg) of plaster and 2 cu. ft. (0.06cu. m)

1. Products: Subject to compliance with requirements, provide the following:

of sand.

a. USG Corporation; Structo-Base.

D. Aggregates for Base-Coat Plasters: ASTM C 35, sand.

2.5 FINISH-COAT PLASTER MATERIALS

A. Gypsum Gaging Plaster: ASTM C 28/C 28M.


a. National Gypsum Company; Gauging Plaster (Super-White).b. USG Corporation; Champion Gauging Plaster.

B. Gypsum Ready-Mixed Finish Plaster: Manufacturer's standard, mill-mixed, gaged, interiorfinish.


a. National Gypsum Company; Gold Bond Kal-Kote Smooth.b. USG Corporation; Diamond Brand Interior Finish Plaster.

C. High-Strength Gypsum Gaging Plaster: ASTM C 28/C 28M, with a minimum, average, drycompressive strength of 5000 psi (34 MPa)

1. Products: Subject to compliance with requirements, provide the following:

per ASTM C 472 for a neat mix.

a. USG Corporation; Structo-Gauge.

D. Lime: ASTM C 206, Type S, special finishing hydrated lime.

E. Lime: ASTM C 206, Type N, normal finishing hydrated lime.

F. Aggregates for Float Finishes: ASTM C 35, sand; graded per ASTM C 842.


12/94


2.6 PLASTER MIXES

A. Mixing: Comply with ASTM C 842 and manufacturer's written instructions for applicationsindicated.

PART 3 - EXECUTION

3.1 INSTALLATION, GENERAL

A. Protect adjacent work from soiling, spattering, moisture deterioration, and other harmful effectscaused by plastering.

B. Fire-Resistance-Rated Assemblies: Install components according to requirements for designdesignations from listing organization and publication indicated on Drawings.

C. STC-Rated Assemblies: Install components according to requirements for design designations

from listing organization and publication indicated on Drawings.1. Seal construction at perimeters, behind control and expansion joints, and at openings and

penetrations with a continuous bead of acoustical sealant. Install acoustical sealant atboth faces of partitions at perimeters and through penetrations.

2. Comply with ASTM C 919 and manufacturer's written recommendations for locatingedge trim and closing off sound-flanking paths around or through assemblies, includingsealing partitions above acoustical ceilings.

D. Sound Attenuation Blankets: Where required, install blankets before installing lath unlessblankets are readily installed after lath has been installed on one side.

E. Acoustical Sealant: Where required, seal joints between edges of plasterwork and abuttingconstruction with acoustical sealant.

3.2 INSTALLING EXPANDED-METAL LATH

A. Expanded-Metal Lath: Install according to ASTM C 841.

1. Partition Framing and Vertical Furring: Install flat diamond-mesh lath.2. Flat-Ceiling and Horizontal Framing: Install flat diamond-mesh lath.3. Curved-Ceiling Framing: Install flat diamond-mesh lath.4. On Solid Surfaces, Not Otherwise Furred: Install self-furring, diamond-mesh lath.

3.3 INSTALLING ACCESSORIES

A. General: Install according to ASTM C 841.

B. Cornerbeads: Install at external corners.

C. Casing Beads: Install at terminations of plasterwork, except where plaster passes behind and isconcealed by other work and where metal screeds, bases, or frames act as casing beads.


13/94


D. Control Joints: Install control joints with spacing between joints in either direction notexceeding the following and in specific locations approved by Architect for visual effect:

1. Partitions: 30 feet (9 m)2. Ceilings:

.50 feet

3.4 PLASTER APPLICATION

(15 m).

A. General: Comply with ASTM C 842.

B. Bonding Compound: Apply on unit masonry and concrete plaster bases.

C. Base Coats:

1. Base Coats over Expanded-Metal Lath: High-strength gypsum plaster with job-mixedsand for scratch and brown coats.

2. Base Coats over Unit Masonry: Gypsum neat plaster with job-mixed sand.

3.

Base-Coat Mix over Monolithic Concrete: Gypsum neat plaster with job-mixed sand.

D. Finish Coats:

1. Finish-Coat Mix for Smooth-Troweled Finishes: Gypsum gaging plaster.

E. Plaster Finishes:

1. Provide troweled finish unless otherwise indicated.

3.5 PLASTER REPAIRS

A. Repair or replace work to eliminate cracks, dents, blisters, buckles, crazing and check cracking,dry outs, efflorescence, sweat outs, and similar defects and where bond to substrate has failed.



14/94

Mt. Pleasant Library 09250-1 75% Printing: 20 February 2009CORE Group, P.C. GYPSUM BOARD

SECTION 09250

PART 1 - GENERAL

GYPSUM BOARD



1.2 SUMMARY

A. This Section includes the following:

1. Interior gypsum board.2. Tile backing panels.

1.3 SUBMITTALS


B. Samples: For the following products:

1. Trim Accessories: Full-size Sample in 12-inch- (300-mm-)

C. LEED Submittals:

long length for each trimaccessory indicated.

1. Product Data for Credit MR 4.1 and MR 4.2: For products having recycled content,documentation indicating percentages by weight of postconsumer and preconsumerrecycled content.


2. Product Data for Credit EQ 4.1: For adhesives used to laminate gypsum board panels tosubstrates, including printed statement of VOC content.


A. Fire-Resistance-Rated Assemblies: For fire-resistance-rated assemblies, provide materials andconstruction identical to those tested in assembly indicated according to ASTM E 119 by anindependent testing agency.


15/94


B. STC-Rated Assemblies: For STC-rated assemblies, provide materials and construction identicalto those tested in assembly indicated according to ASTM E 90 and classified according toASTM E 413 by an independent testing agency.

C. Mockups: Before beginning gypsum board installation, install mockups of at least 100 sq. ft. (9sq. m)

1. Install mockups for the following:

in surface area to demonstrate aesthetic effects and set quality standards for materials andexecution.

a. Each level of gypsum board finish indicated for use in exposed locations.b. Each texture finish indicated.

2. Apply or install final decoration indicated, including painting and wallcoverings, onexposed surfaces for review of mockups.

3. Simulate finished lighting conditions for review of mockups.4. Approved mockups may become part of the completed Work if undisturbed at time of

Substantial Completion.

PART 2 - PRODUCTS

2.1 RECYCLED CONTENT OF GYPSUM PANELS

A. Provide gypsum panel products with recycled content such that postconsumer recycled contentplus one-half of preconsumer recycled content constitutes a minimum of 25 percent by weight.

2.2 INTERIOR GYPSUM BOARD

A. General: Complying with ASTM C 36/C 36M or ASTM C 1396/C 1396M, as applicable totype of gypsum board indicated and whichever is more stringent.

1. Manufacturers: Subject to compliance with requirements, provide products by one of thefollowing:

a. American Gypsum Co.b. BPB America Inc.c. G-P Gypsum.d. Lafarge North America Inc.e. National Gypsum Company.f. PABCO Gypsum.g. Temple.h. USG Corporation.

B. Regular Type:

1. Thickness: 5/8 inch (15.9 mm)2. Long Edges: Tapered.

.

C. Type X:


16/94



.

D. Ceiling Type: Manufactured to have more sag resistance than regular-type gypsum board.


.

E. Abuse-Resistant Type: Manufactured to produce greater resistance to surface indentation andthrough-penetration (impact resistance) than standard, regular-type and Type X gypsum board.

1. Core: 5/8 inch (15.9 mm)2. Long Edges: Tapered.

, Type X.

F. Moisture- and Mold-Resistant Type: With moisture- and mold-resistant core and surfaces.

1. Core: 5/8 inch (15.9 mm)2. Long Edges: Tapered.

, Type X.

2.3 TILE BACKING PANELS

A. Water-Resistant Gypsum Backing Board: ASTM C 630/C 630M or ASTM C 1396/C 1396M.


a. American Gypsum Co.b. BPB America Inc.c. G-P Gypsum.d. Lafarge North America Inc.e. National Gypsum Company.f. PABCO Gypsum.g. Temple.h. USG Corporation.

2. Core: 5/8 inch (15.9 mm)

B. Glass-Mat, Water-Resistant Backing Board:

, Type X.

1. Complying with ASTM C 1178/C 1178M.

a. Product: Subject to compliance with requirements, provide "DensShield TileGuard" by G-P Gypsum.

2. Complying with ASTM C1177/C 1177M.

a. Product: Subject to compliance with requirements, provide "DensArmor PlusInterior Guard" by G-P Gypsum.

3. Core: 5/8 inch (15.9 mm), Type X.


17/94


C. Cementitious Backer Units: ANSI A108.1.


a. Custom Building Products; Wonderboard.b. FinPan, Inc.; Util-A-Crete Concrete Backer Board.c. USG Corporation; DUROCK Cement Board.

2. Thickness: 5/8 inch

2.4 TRIM ACCESSORIES

(15.9 mm).

A. Interior Trim: ASTM C 1047.

1. Material: Galvanized or aluminum-coated steel sheet or rolled zinc.2. Shapes:

a.

Cornerbead.b. Bullnose bead.c. LC-Bead: J-shaped; exposed long flange receives joint compound.d. L-Bead: L-shaped; exposed long flange receives joint compound.e. U-Bead: J-shaped; exposed short flange does not receive joint compound.f. Expansion (control) joint.

B. Aluminum Trim: Extruded accessories of profiles and dimensions indicated.


a. Fry Reglet Corp.b. Gordon, Inc.c. Pittcon Industries.

2. Aluminum: Alloy and temper with not less than the strength and durability properties of ASTM B 221 (ASTM B 221M)

3. Finish: Corrosion-resistant primer compatible with joint compound and finish materialsspecified.

, Alloy 6063-T5.

2.5 JOINT TREATMENT MATERIALS

A. General: Comply with ASTM C 475/C 475M.

B. Joint Tape:

1. Interior Gypsum Wallboard: Paper.2. Glass-Mat Gypsum Sheathing Board: 10-by-10 glass mesh.3. Tile Backing Panels: As recommended by panel manufacturer.

C. Joint Compound for Interior Gypsum Wallboard: For each coat use formulation that iscompatible with other compounds applied on previous or for successive coats.


18/94


1. Prefilling: At open joints, beveled panel edges, and damaged surface areas, use setting-type taping compound.

2. Embedding and First Coat: For embedding tape and first coat on joints, fasteners, andtrim flanges, use setting-type taping compound.

a. Use setting-type compound for installing paper-faced metal trim accessories.

3. Fill Coat: For second coat, use setting-type, sandable topping compound.4. Finish Coat: For third coat, use setting-type, sandable topping compound.

D. Joint Compound for Tile Backing Panels:

1. Water-Resistant Gypsum Backing Board: Use setting-type taping compound and setting-type, sandable topping compound.

2. Glass-Mat, Water-Resistant Backing Panel: As recommended by backing panelmanufacturer.

3. Cementitious Backer Units: As recommended by backer unit manufacturer.

2.6 AUXILIARY MATERIALS

A. General: Provide auxiliary materials that comply with referenced installation standards andmanufacturer's written recommendations.

B. Laminating Adhesive: Adhesive or joint compound recommended for directly adheringgypsum panels to continuous substrate.

1. Use adhesives that have a VOC content of 50 g/L or less when calculated according to40 CFR 59, Subpart D (EPA Method 24).

C. Steel Drill Screws: ASTM C 1002, unless otherwise indicated.

1. Use screws complying with ASTM C 954 for fastening panels to steel members from0.033 to 0.112 inch (0.84 to 2.84 mm)

2. For fastening cementitious backer units, use screws of type and size recommended bypanel manufacturer.

thick.

D. Sound Attenuation Blankets: ASTM C 665, Type I (blankets without membrane facing)produced by combining thermosetting resins with mineral fibers manufactured from glass, slagwool, or rock wool.

1. Fire-Resistance-Rated Assemblies: Comply with mineral-fiber requirements of assembly.

2. Recycled Content: Provide blankets with recycled content such that postconsumerrecycled content plus one-half of preconsumer recycled content constitutes a minimum of 25 percent by weight.

E. Acoustical Sealant: As specified in Division 7 Section "Joint Sealants."

1. Provide sealants that have a VOC content of 250 g/L or less when calculated according to40 CFR 59, Subpart D (EPA Method 24).


19/94


F. Thermal Insulation: As specified in Division 7 Section "Building Insulation."

G. Vapor Retarder: As specified in Division 7 Section "Building Insulation."

PART 3 - EXECUTION

3.1 APPLYING AND FINISHING PANELS, GENERAL

A. Comply with ASTM C 840.

B. Examine panels before installation. Reject panels that are wet, moisture damaged, and molddamaged.

C. Isolate perimeter of gypsum board applied to non-load-bearing partitions at structuralabutments, except floors. Provide 1/4- to 1/2-inch- (6.4- to 12.7-mm-)

D. Install sound attenuation blankets before installing gypsum panels, unless blankets are readilyinstalled after panels have been installed on one side.

wide spaces at theselocations, and trim edges with edge trim where edges of panels are exposed. Seal joints

between edges and abutting structural surfaces with acoustical sealant.

3.2 APPLYING INTERIOR GYPSUM BOARD

A. Install interior gypsum board in the following locations:

1. Regular Type: Vertical surfaces, unless otherwise indicated.2. Type X: Where required for fire-resistance-rated assembly.3. Ceiling Type: Ceiling surfaces.4. Abuse-Resistant Type: As indicated on Drawings.5. Moisture- and Mold-Resistant Type: As indicated on Drawings.

3.3 APPLYING TILE BACKING PANELS

A. Water-Resistant Gypsum Backing Board: Install at showers, tubs, and where indicated. Installwith 1/4-inch (6.4-mm)

B. Glass-Mat, Water-Resistant Backing Panel: Comply with manufacturer's written installationinstructions and install at locations indicated to receive tile. Install with

gap where panels abut other construction or penetrations.

1/4-inch (6.4-mm)

C. Cementitious Backer Units: ANSI A108.1, at locations indicated to receive tile.

gapwhere panels abut other construction or penetrations.

D. Areas Not Subject to Wetting: Install regular-type gypsum wallboard panels to produce a flatsurface except at showers, tubs, and other locations indicated to receive water-resistant panels.

E. Where tile backing panels abut other types of panels in same plane, shim surfaces to produce auniform plane across panel surfaces.


20/94


3.4 INSTALLING TRIM ACCESSORIES

A. General: For trim with back flanges intended for fasteners, attach to framing with samefasteners used for panels. Otherwise, attach trim according to manufacturer's writteninstructions.

B. Control Joints: Install control joints according to ASTM C 840 and in specific locationsapproved by Architect for visual effect.

C. Interior Trim: Install in the following locations:

1. Cornerbead: Use at outside corners, unless otherwise indicated.2. Bullnose Bead: Use at outside corners where indicated.3. LC-Bead: Use at exposed panel edges.4. L-Bead: Use where indicated.5. U-Bead: Use at exposed panel edges where indicated.

D. Aluminum Trim: Install in locations indicated on Drawings.

3.5 FINISHING GYPSUM BOARD

A. General: Treat gypsum board joints, interior angles, edge trim, control joints, penetrations,fastener heads, surface defects, and elsewhere as required to prepare gypsum board surfaces fordecoration. Promptly remove residual joint compound from adjacent surfaces.

B. Prefill open joints, beveled edges, and damaged surface areas.

C. Apply joint tape over gypsum board joints, except those with trim having flanges not intendedfor tape.

D. Gypsum Board Finish Levels: Finish panels to levels indicated below:

1. Level 1: Ceiling plenum areas, concealed areas, and where indicated.2. Level 2: Panels that are substrate for tile and where indicated on Drawings.3. Level 3: Where indicated on Drawings.4. Level 4: At panel surfaces that will be exposed to view, unless otherwise indicated.

a. Primer and its application to surfaces are specified in other Division 9 Sections.

E. Glass-Mat Gypsum Sheathing Board: Finish according to manufacturer's written instructionsfor use as exposed soffit board.

F. Glass-Mat, Water-Resistant Backing Panels: Finish according to manufacturer's writteninstructions.

G. Cementitious Backer Units: Finish according to manufacturer's written instructions.


21/94


3.6 PROTECTION

A. Protect installed products from damage from weather, condensation, direct sunlight,construction, and other causes during remainder of the construction period.

B. Remove and replace panels that are wet, moisture damaged, and mold damaged.

1. Indications that panels are wet or moisture damaged include, but are not limited to,discoloration, sagging, or irregular shape.

2. Indications that panels are mold damaged include, but are not limited to, fuzzy orsplotchy surface contamination and discoloration.



22/94

Mt. Pleasant Library 09310-1 75% Printing: 20 February 2009CORE Group, P.C. CERAMIC TILE

SECTION 09310

PART 1 - GENERAL

CERAMIC TILE



1.2 SUMMARY


1. Ceramic tile.2. Stone thresholds.3. Waterproof membrane.4. Crack isolation membrane.5. Metal edge strips.

1.3 SUBMITTALS


B. LEED Submittal:

1. Product data for Credit EQ 4.1: For adhesives and sealants, including printed statementof VOC content.

C. Samples:

1. Each type and composition of tile and for each color and finish required.2. Assembled samples, with grouted joints, for each type and composition of tile and for

each color and finish required.3. Stone thresholds in 6-inch (150-mm)


lengths.

A. Mockups: Build mockups to verify selections made under sample submittals and todemonstrate aesthetic effects and set quality standards for materials and execution.

1. Build mockup of each type of floor tile installation.2. Build mockup of each type of wall tile installation.3. Approved mockups may become part of the completed Work if undisturbed at time of

Substantial Completion.


23/94


1.5 EXTRA MATERIALS

A. Furnish extra materials that match and are from same production runs as products installed andthat are packaged with protective covering and identified with labels describing contents.

1. Tile and Trim Units: Furnish quantity of full-size units equal to 3 percent of amountinstalled for each type, composition, color, pattern, and size indicated.

PART 2 - PRODUCTS

2.1 TILE PRODUCTS

A. ANSI Ceramic Tile Standard: Provide Standard grade tile that complies with ANSI A137.1 fortypes, compositions, and other characteristics indicated.

B. Tile Type CT-01, CT-02, CT-03, CT-04: See interior FF+E schedule

2.2 THRESHOLDS

A. General: Fabricate to sizes and profiles indicated or required to provide transition betweenadjacent floor finishes.

1. Bevel edges at 1:2 slope, with lower edge of bevel aligned with or up to 1/16 inch (1.5mm) above adjacent floor surface. Finish bevel to match top surface of threshold. Limitheight of threshold to 1/2 inch (12.7 mm)

B. Marble Thresholds: ASTM C 503, with a minimum abrasion resistance of 12 perASTM C 1353 or ASTM C 241 and with honed finish.

or less above adjacent floor surface.

1. Description: Uniform, fine- to medium-grained white stone with gray veining.

2.3 WATERPROOF MEMBRANE

A. General: Manufacturer's standard product, selected from the following, that complies withANSI A118.10 and is recommended by the manufacturer for the application indicated.

B. Chlorinated-Polyethylene-Sheet: Nonplasticized, chlorinated polyethylene faced on both sideswith nonwoven polyester fabric; 0.030-inch (0.76-mm)

a. Products: Subject to compliance with requirements, provide Noble Company(The); Nobleseal TS or approved equal product as determined by Architect.

nominal thickness.

C. PVC Sheet: Two layers of PVC sheet heat-fused together and to facings of nonwovenpolyester; 0.040-inch (1.01-mm) nominal thickness.


24/94


a. Products: Subject to compliance with requirements, provide CompotiteCorporation; Composeal Gold or approved equal product as determined byArchitect.

D. Polyethylene Sheet: Polyethylene faced on both sides with fleece webbing; 0.008-inch (0.203-mm)

a. Products: Subject to compliance with requirements, provide Schluter SystemsL.P.; KERDI or approved equal product as determined by Architect.

nominal thickness.

E. Fabric-Reinforced, Modified-Bituminous Sheet: Self-adhering, SBS-modified-bituminous sheetwith woven reinforcement facing; 0.040-inch (1.01-mm)

a. Products: Subject to compliance with requirements, provide National AppliedConstruction Products, Inc.; Strataflex or approved equal product as determined byArchitect.

nominal thickness.

F. Fabric-Reinforced, Fluid-Applied Membrane: System consisting of liquid-latex rubber or

elastomeric polymer and continuous fabric reinforcement.


a. Boiardi Products, a QEP company; Elastiment 344 Reinforced Waterproofing andAnti-Fracture/Crack Suppression Membrane.

b. Bonsal American, an Oldcastle company; B 6000 Waterproof Membrane withGlass Fabric.

c. Bostik, Inc.; Hydroment Blacktop 90210.d. Custom Building Products; 9240 Waterproofing and Anti-Fracture Membrane.e. Laticrete International, Inc.; Laticrete 9235 Waterproof Membrane.f. MAPEI Corporation; Mapelastic L (PRP M19) or Mapelastic HPG with MAPEI

Fiberglass Mesh.g. Mer-Kote Products, Inc.; Hydro-Guard 2000.h. Summitville Tiles, Inc.; S-9000.

G. Fluid-Applied Membrane: Liquid-latex rubber or elastomeric polymer.


a. Boiardi Products, a QEP company; Elastiment 644 Membrane WaterproofingSystem.

b. Bonsal American, an Oldcastle company; B 6000 Waterproof Membrane.c. Bostik, Inc.; Durabond D-222 Duraguard Membrane or Hydroment Gold.d. C-Cure; Pro-Red Waterproofing Membrane 63.e. Custom Building Products; Redgard Waterproofing and Crack Prevention

Membrane.f. Jamo Inc.; Waterproof.g. Laticrete International, Inc.; Latapoxy 24hr HydroProofing or Laticrete Watertight

Floor N' Wall Waterproofing.h. MAPEI Corporation; Mapelastic HPG.i. Southern Grouts & Mortars, Inc.; Southcrete 1100 Crack Suppression and

Waterproofing.


25/94


j. TEC, a subsidiary of H. B. Fuller Company; HydraFlex - Waterproofing Crack Isolation Membrane.

H. Latex-Portland Cement: Flexible mortar consisting of cement-based mix and latex additive.


a. Boiardi Products, a QEP company; Elastiment 323 Cement Based Waterproofing,Anti-Fracture/Crack Suppression Membrane.

b. C-Cure; UltraCure 971.c. MAPEI Corporation; Mapelastic (PRP 315).d. Southern Grouts & Mortars, Inc.; Southcrete 1100.e. TEC, a subsidiary of H. B. Fuller Company; Triple Flex Waterproofing, Crack

Isolation Membrane & Mortar.

I. Urethane Waterproofing and Tile-Setting Adhesive: One-part, liquid-applied urethane, with aVOC content of 65 g/L or less when calculated according to 40 CFR 59, Subpart D (EPAMethod 24).

a. Products: Subject to compliance with requirements, provide Bostik, Inc.;Durabond D-200, Hydroment Ultra-Set or Hydroment Ultra-Set Advanced.

2.4 CRACK ISOLATION MEMBRANE

A. General: Manufacturer's standard product, selected from the following, that complies withANSI A118.12 for high performance and is recommended by the manufacturer for theapplication indicated.

B. Chlorinated-Polyethylene Sheet: Nonplasticized, chlorinated polyethylene faced on both sideswith nonwoven polyester fabric; 0.030-inch (0.76-mm)

a. Products: Subject to compliance with requirements, provide Noble Company(The); Nobleseal CIS or approved equal product as determined by Architect.

nominal thickness.

C. PVC Sheet: Two layers of PVC sheet heat-fused together and to facings of nonwovenpolyester; 0.040-inch (1.01-mm)

a. Products: Subject to compliance with requirements, provide CompotiteCorporation; Composeal Gold or approved equal product as determined byArchitect.

nominal thickness.

D. Polyethylene Sheet: Polyethylene faced on both sides with fleece webbing; 0.008-inch (0.203-mm)

a. Products: Subject to compliance with requirements, provide Schluter SystemsL.P.; KERDI or approved equal product as determined by Architect.

nominal thickness.

E. Corrugated Polyethylene: Corrugated polyethylene with dovetail-shaped corrugations and withanchoring webbing on the underside; 3/16-inch (4-mm) nominal thickness.


26/94


a. Products: Subject to compliance with requirements, provide Schluter SystemsL.P.; DITRA or approved equal product as determined by Architect.

F. Fabric-Reinforced, Modified-Bituminous Sheet: Self-adhering, modified-bituminous sheet withfabric reinforcement facing; 0.040-inch (1.01-mm)


nominal thickness.

a. MAPEI Corporation; Mapelastic SM.b. National Applied Construction Products, Inc.; Strataflex.

G. Fabric-Reinforced, Fluid-Applied Membrane: System consisting of liquid-latex rubber orelastomeric polymer and fabric reinforcement.


a. Boiardi Products, a QEP company; Elastiment 344 Reinforced Waterproofing andAnti-Fracture/Crack Suppression Membrane.

b. Bonsal American, an Oldcastle company; B 6000 Waterproof Membrane withGlass Fabric.c. Bostik, Inc.; Hydroment Blacktop 90210.d. Custom Building Products; 9240 Waterproofing and Anti-Fracture Membrane.e. Laticrete International, Inc.; Laticrete Blue 92 Anti-Fracture Membrane or

9235 Waterproof Membrane.f. MAPEI Corporation; Mapelastic L (PRP M19) or Mapelastic HPG with MAPEI

Fiberglass Mesh.g. Mer-Kote Products, Inc.; Hydro-Guard 2000.h. Summitville Tiles, Inc.; S-9000.

H. Fluid-Applied Membrane: Liquid-latex rubber or elastomeric polymer.


a. Bostik, Inc.; Durabond D-222 Duraguard Membrane or Hydroment Gold.b. C-Cure; CureLastic 949 or Pro-Red Waterproofing Membrane 963.c. Custom Building Products; Redgard Waterproofing and Crack Prevention

Membrane, FractureFree Crack Prevention Membrane or Semco Crack PreventionMembrane.

d. Jamo Inc.; Waterproof.e. Mer-Kote Products, Inc.; Fracture-Guard 5000.f. Southern Grouts & Mortars, Inc.; Southcrete 1100 Crack Suppression and

Waterproofing.g. TEC, a subsidiary of H. B. Fuller Company; HydraFlex - Waterproofing Crack

Isolation Membrane.

I. Latex-Portland Cement: Flexible mortar consisting of cement-based mix and latex additive.


a. C-Cure; UltraCure 971.b. MAPEI Corporation; Mapelastic (PRP 315).


27/94


c. TEC, a subsidiary of H. B. Fuller Company; Triple Flex Waterproofing, Crack Isolation Membrane & Mortar.

J. Urethane Crack Isolation Membrane and Tile-Setting Adhesive: One-part, liquid-appliedurethane , with a VOC content of 65 g/L or less when calculated according to 40 CFR 59,Subpart D (EPA Method 24).

a. Products: Subject to compliance with requirements, provide Bostik, Inc.;Durabond D-200, Hydroment Ultra-Set or Hydroment Ultra-Set Advanced.

2.5 SETTING MATERIALS

A. Dry-Set Portland Cement Mortar (Thin Set): ANSI A118.1.


a. Boiardi Products; a QEP company.b. Bonsal American; an Oldcastle company.c. Bostik, Inc.d. C-Cure.e. Custom Building Products.f. Jamo Inc.g. Laticrete International, Inc.h. MAPEI Corporation.i. Southern Grouts & Mortars, Inc.

j. Summitville Tiles, Inc.k. TEC; a subsidiary of H. B. Fuller Company.

2.

For wall applications, provide nonsagging mortar.B. Latex-Portland Cement Mortar (Thin Set): ANSI A118.4.


a. Boiardi Products; a QEP company.b. Bonsal American; an Oldcastle company.c. Bostik, Inc.d. C-Cure.e. Custom Building Products.f. Jamo Inc.g. Laticrete International, Inc.h. MAPEI Corporation.i. Mer-Kote Products, Inc.

j. Southern Grouts & Mortars, Inc.k. Summitville Tiles, Inc.l. TEC; a subsidiary of H. B. Fuller Company.


28/94


2. Prepackaged, dry-mortar mix to which only water must be added.3. Prepackaged, dry-mortar mix combined with liquid-latex additive.4. For wall applications, provide nonsagging mortar.

C. Water-Cleanable, Tile-Setting Epoxy: ANSI A118.3, with a VOC content of 65 g/L or lesswhen calculated according to 40 CFR 59, Subpart D (EPA Method 24).


a. Atlas Minerals & Chemicals, Inc.b. Bonsal American; an Oldcastle company.c. Bostik, Inc.d. C-Cure.e. Custom Building Products.f. Jamo Inc.g. Laticrete International, Inc.h. MAPEI Corporation.i. Mer-Kote Products, Inc.

j. Southern Grouts & Mortars, Inc.k. Summitville Tiles, Inc.l. TEC; a subsidiary of H. B. Fuller Company.

2.6 GROUT MATERIALS

A. Sand-Portland Cement Grout: ANSI A108.10.

B. Standard Cement Grout: ANSI A118.6.

1.

Manufacturers: Subject to compliance with requirements, provide products by one of thefollowing:

a. Boiardi Products; a QEP company.b. Bonsal American; an Oldcastle company.c. Bostik, Inc.d. C-Cure.e. Custom Building Products.f. Jamo Inc.g. Laticrete International, Inc.h. MAPEI Corporation.i. Southern Grouts & Mortars, Inc.


C. Polymer-Modified Tile Grout: ANSI A118.7.


a. Boiardi Products; a QEP company.


29/94


b. Bonsal American; an Oldcastle company.c. Bostik, Inc.d. C-Cure.e. Custom Building Products.f. Jamo Inc.g. Laticrete International, Inc.h. MAPEI Corporation.i. Southern Grouts & Mortars, Inc.


2. Polymer Type: Dry, redispersible form, prepackaged with other dry ingredients.

D. Water-Cleanable Epoxy Grout: ANSI A118.3.


a. Atlas Minerals & Chemicals, Inc.b. Boiardi Products; a QEP company.c. Bonsal American; an Oldcastle company.d. Bostik, Inc.e. C-Cure.f. Custom Building Products.g. Jamo Inc.h. Laticrete International, Inc.i. MAPEI Corporation.

j. Mer-Kote Products, Inc.k. Southern Grouts & Mortars, Inc.l. Summitville Tiles, Inc.

m. TEC; a subsidiary of H. B. Fuller Company.

E. Grout for Pregrouted Tile Sheets: Same product used in factory to pregrout tile sheets.

2.7 ELASTOMERIC SEALANTS

A. General: Provide sealants, primers, backer rods, and other sealant accessories that comply withthe following requirements and with the applicable requirements in Division 7 Section "JointSealants."

1. Use sealants that have a VOC content of 250 g/L or less when calculated according to40 CFR 59, Subpart D (EPA Method 24).

B. One-Part, Mildew-Resistant Silicone Sealant: ASTM C 920; Type S; Grade NS; Class 25;Uses NT, G, A, and, as applicable to nonporous joint substrates indicated, O; formulated withfungicide, intended for sealing interior ceramic tile joints and other nonporous substrates thatare subject to in-service exposures of high humidity and extreme temperatures.



30/94


a. DAP Inc.; Titanium Enriched Kitchen and Bath Sealant or 100 percent SiliconeKitchen and Bath Sealant.

b. Dow Corning Corporation; Dow Corning 786.c. GE Silicones, a division of GE Specialty Materials; Sanitary 1700.d. Laticrete International, Inc.; Latasil Tile & Stone Sealant.e. Pecora Corporation; Pecora 898 Sanitary Silicone Sealant.f. Tremco Incorporated; Tremsil 600 White.

C. Multipart, Pourable Urethane Sealant for Use T: ASTM C 920; Type M; Grade P; Class 25;Uses T, M, A, and, as applicable to joint substrates indicated, O.


a. Bostik, Inc.; Chem-Calk 550.b. Degussa Building Systems; Sonneborn Sonolastic SL 2.c. Pecora Corporation; Dynatrol II-SG or NR-200 Urexpan.d. Sika Corporation; Sikaflex-2c SL.e. Tremco Incorporated.; THC-900, THC-901 or Vulkem 245.


A. Trowelable Underlayments and Patching Compounds: Latex-modified, portland cement-basedformulation provided or approved by manufacturer of tile-setting materials for installationsindicated.

B. Metal Edge Strips: Angle or L-shape, stainless steel, ASTM A 666, 300 Series exposed-edgematerial.

C. Grout Sealer: Manufacturer's standard silicone product for sealing grout joints and that does not

change color or appearance of grout.1. Products: Subject to compliance with requirements, provide one of the following:

a. Bonsal American, an Oldcastle company; Grout Sealer.b. Bostik, Inc.; CeramaSeal Grout & Tile Sealer, Magic Seal, Silox 8 or

Siloxane 220.c. C-Cure; Penetrating Sealer 978.d. Custom Building Products; Surfaceguard, Grout and Tile or Grout Sealer.e. Jamo Inc.; Matte Finish or Penetrating Sealer.f. MAPEI Corporation; KER 003, Silicone Spray Sealer for Cementitious Tile Grout

or 004, Keraseal Penetrating Sealer for Unglazed Grout and Tile.g. Southern Grouts & Mortars, Inc.; Silicone Grout Sealer.h. Summitville Tiles, Inc.; SL-15, Invisible Seal Penetrating Grout and Tile Sealer.i. TEC, a subsidiary of H. B. Fuller Company; TA-256 Penetrating Silicone or TA-

257 Silicone Grout Sealer.


31/94


PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions where tile will be installed, with Installer present, forcompliance with requirements for installation tolerances and other conditions affectingperformance of installed tile.

1. Verify that substrates for setting tile are firm, dry, clean, free of coatings that areincompatible with tile-setting materials including curing compounds and other substancesthat contain soap, wax, oil, or silicone; and comply with flatness tolerances required byANSI A108.01 for installations indicated.

3.2 PREPARATION

A. Fill cracks, holes, and depressions in concrete substrates for tile floors installed with adhesives

or thin-set mortar with trowelable leveling and patching compound specifically recommendedby tile-setting material manufacturer.

B. Where indicated, prepare substrates to receive waterproofing by applying a reinforced mortarbed that complies with ANSI A108.1A and is sloped 1/4 inch per foot (1:50)

C. Blending: For tile exhibiting color variations, use factory blended tile or blend tiles at Projectsite before installing.

toward drains.

D. Field-Applied Temporary Protective Coating: If indicated under tile type or needed to preventgrout from staining or adhering to exposed tile surfaces, precoat them with continuous film of temporary protective coating, taking care not to coat unexposed tile surfaces.

3.3 INSTALLATION

A. Comply with TCA's "Handbook for Ceramic Tile Installation" for TCA installation methodsspecified in tile installation schedules. Comply with parts of the ANSI A108 Series"Specifications for Installation of Ceramic Tile" that are referenced in TCA installationmethods, specified in tile installation schedules, and apply to types of setting and groutingmaterials used.

1. For the following installations, follow procedures in the ANSI A108 Series of tileinstallation standards for providing 95 percent mortar coverage:

a. Exterior tile floors.b. Tile floors in wet areas.c. Tile swimming pool decks.d. Tile floors in laundries.e. Tile floors composed of tiles 8 by 8 inches (200 by 200 mm)f. Tile floors composed of rib-backed tiles.

or larger.


32/94


B. Extend tile work into recesses and under or behind equipment and fixtures to form completecovering without interruptions unless otherwise indicated. Terminate work neatly atobstructions, edges, and corners without disrupting pattern or joint alignments.

C. Accurately form intersections and returns. Perform cutting and drilling of tile without marringvisible surfaces. Carefully grind cut edges of tile abutting trim, finish, or built-in items forstraight aligned joints. Fit tile closely to electrical outlets, piping, fixtures, and otherpenetrations so plates, collars, or covers overlap tile.

D. Jointing Pattern: Lay tile in grid pattern unless otherwise indicated. Lay out tile work andcenter tile fields in both directions in each space or on each wall area. Lay out tile work tominimize the use of pieces that are less than half of a tile. Provide uniform joint widths unlessotherwise indicated.

E. Joint Widths: Unless otherwise indicated, install tile with the following joint widths:

1. Ceramic Mosaic Tile: 1/8 inch (3.2 mm)2. Paver Tile:

.1/8 inch

3. Glazed Wall Tile:

(3.2 mm).

1/8 inch (3.2 mm)

F. Lay out tile wainscots to dimensions indicated or to next full tile beyond dimensions indicated.

.

G. Expansion Joints: Provide expansion joints and other sealant-filled joints, including control,contraction, and isolation joints, where indicated. Form joints during installation of settingmaterials, mortar beds, and tile. Do not saw-cut joints after installing tiles.

1. Where joints occur in concrete substrates, locate joints in tile surfaces directly abovethem.

2. Prepare joints and apply sealants to comply with requirements in Division 7 Section"Joint Sealants."

H. Stone Thresholds: Install stone thresholds in same type of setting bed as adjacent floor unlessotherwise indicated.

1. At locations where mortar bed (thickset) would otherwise be exposed above adjacentfloor finishes, set thresholds in latex-portland cement mortar (thin set).

I. Metal Edge Strips: Install where exposed edge of tile flooring meets carpet, wood, or otherflooring that finishes flush with or below top of tile and no threshold is indicated.

J. Grout Sealer: Apply grout sealer to cementitious grout joints in tile floors according to grout-sealer manufacturer's written instructions. As soon as grout sealer has penetrated grout joints,remove excess sealer and sealer from tile faces by wiping with soft cloth.

K. Install waterproofing to comply with ANSI A108.13 and manufacturer's written instructions toproduce waterproof membrane of uniform thickness and bonded securely to substrate.

L. Install crack isolation membrane to comply with ANSI A108.17 and manufacturer's writteninstructions to produce membrane of uniform thickness and bonded securely to substrate.


33/94




34/94

Mt. Pleasant Library 09380-1 100% Printing: 20 March 2009CORE Group, P.C. TERRA COTTA AND STONE TILE

SECTION 09380

PART 1 - GENERAL

TERRA COTTA AND STONE TILE



1.2 SUMMARY


1. Dimension stone tile and related setting materials applied to floors.2. Metal edge strips.

1.3 SUBMITTALS


B. LEED Submittals:

1. Product Certificates for Credit MR 5.1 and Credit MR 5.2: For products and materialsrequired to comply with requirements for regional materials indicating location anddistance from Project of material manufacturer and point of extraction, harvest, orrecovery for each raw material. Include statement indicating cost for each regionalmaterial and the fraction by weight that is considered regional.

2. Product Data for Credit EQ 4.1: For adhesives and sealants, including printed statementof VOC content.

C. Samples:

1. Each type of stone tile in each finish required.2. Assembled Samples with grouted joints for each type of stone tile and for each finish

required.


A. Mockups: Build mockups to verify selections made under sample submittals and todemonstrate aesthetic effects and set quality standards for materials and execution.

1. Build mockup of each type of stone floor tile installation.


35/94


2. Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

1.5 EXTRA MATERIALS

A. Furnish extra materials that match and are from same production runs as products installed andthat are packaged with protective covering and identified with labels describing contents.

1. Dimension Stone Tile: Furnish quantity of full-size units equal to 3 percent of amountinstalled, for each type, composition, color, pattern, and size indicated.

PART 2 - PRODUCTS

2.1 TERRA COTTA TILE

A.

Basis-of-Design Product: Subject to compliance with requirements, provide terrART LargePanel and Baguette unglazed natural terra cotta tile manufactured by NBK North America, Inc.or approved equal product as determined by Architect.

B. Terra Cotta Tile Type TC-1; Building Skin Rainscreen:

1. Large Panel; Height, Length and Thickness: As indicated on Drawings.2. Color: As selected by Architect from manufacturers full range.

C. Terra Cotta Tile Type TC-2; Roof and Window and Roof Screening:

1. Baguette; Cross-Section and Length: As indicated on Drawings.2. Color: As selected by Architect from manufacturers full range.

2.2 STONE PRODUCTS

A. Varieties and Sources: Subject to compliance with requirements, provide those indicated on theDrawings.

B. Regional Materials: Provide stone tiles that have been manufactured within 500 miles (800 km)of Project site from stone that has been extracted within 500 miles (800 km)

C. Abrasion Resistance of Stone Tile for Floors: Provide stone with a value of not less than 25, asdetermined per ASTM C 1353 or ASTM C 241.

of Project site.

D. Stone Tile Type ST -1: See Interior FF+E Schedule

2.3 SETTING MATERIALS

A. Portland Cement Mortar (Thickset) Installation Materials: ANSI A108.02.


36/94


B. Dry-Set Portland Cement Mortar (Thin Set): ANSI A118.1.

C. Latex-Portland Cement Mortar (Thin Set): ANSI A118.4.

D. Medium-Bed, Latex-Portland Cement Mortar: Comply with requirements in ANSI A118.4.Provide product that is approved by manufacturer for application thickness of 5/8 inch

E. EGP (Exterior Glue Plywood) Latex-Portland Cement Mortar (Thin Set): ANSI A118.11.

(16 mm).

F. Water-Cleanable, Tile-Setting Epoxy: ANSI A118.3, with a VOC content of 65 g/L or lesswhen calculated according to 40 CFR 59, Subpart D.

2.4 GROUT MATERIALS

A. Sand-Portland Cement Grout: ANSI A108.10.

B. Standard Cement Grout: ANSI A118.6.

C. Water-Cleanable Epoxy Grout: ANSI A118.3.

2.5 ELASTOMERIC SEALANTS

A. General: Provide sealants, primers, backer rods, and other sealant accessories that comply withthe following requirements and with the applicable requirements in Division 7 Section "JointSealants" and that do not stain stone.

1. Use sealants that have a VOC content of 250 g/L or less when calculated according to40 CFR 59, Subpart D.

B. One-Part, Mildew-Resistant Silicone Sealant: ASTM C 920; Type S; Grade NS; Class 25;Uses NT, G, A, and, as applicable to nonporous joint substrates indicated, O; formulated withfungicide, intended for sealing interior stone tile joints and other nonporous substrates that aresubject to in-service exposures of high humidity and extreme temperatures.

C. Multipart, Pourable Urethane Sealant for Use T: ASTM C 920; Type M; Grade P; Class 25;Uses T, M, A, and, as applicable to joint substrates indicated, O.


A. Trowelable Patching Compounds: Latex-modified, portland cement-based formulationprovided or approved by manufacturer of tile-setting materials for installations indicated.

B. Metal Edge Strips: Angle or L-shaped, stainless-steel, ASTM A 666, 300 Series exposed-edgematerial.

C. Floor Sealer: Colorless, stain- and slip-resistant sealer, not affecting color or physicalproperties of stone surfaces as recommended by stone tile producers for application indicated.


37/94


2.7 FABRICATION

A. Facial Dimensions of Stone Tiles with Honed Faces: Do not vary facial dimensions fromspecified dimensions by more than plus or minus 1/64 inch (0.4 mm)

B. Facial Dimensions of Stone Tiles with Thermal-Finished Faces: Do not vary facial dimensionsfrom specified dimensions by more than plus or minus

.

1/32 inch (0.8 mm)

C. Thickness of Stone Tiles with Honed Finish: Do not vary from specified thickness by morethan plus or minus

.

1/32 inch (0.8 mm)

D. Thickness of Stone Tiles with Thermal Finish: Do not vary average thickness of each stone tilefrom specified thickness by more than plus or minus

.

1/32 inch

E. Backs of Pieces: Gage units by dressing backs of pieces smooth and flat

(0.8 mm).

1. Natural-cleft stone need not be gaged if gap does not exceed 1/16 inch (1.6 mm) whentested with a 24-inch (600-mm)

PART 3 - EXECUTION

straightedge on backs of units.

3.1 EXAMINATION

A. Examine substrates, areas, and conditions where stone tile will be installed, with Installerpresent, for compliance with requirements for installation tolerances and other conditionsaffecting performance of installed stone tile.

1. Verify that substrates for setting stone tile are firm, dry, clean, and free of coatings thatare incompatible with tile-setting materials including curing compounds and othersubstances that contain soap, wax, oil, or silicone, and that they comply with flatnesstolerances required by ANSI A108.01 for installations indicated.

3.2 PREPARATION

A. Fill cracks, holes, and depressions in concrete substrates for stone tile floors installed withadhesives or thin-set mortar with trowelable patching compound specifically recommended bytile-setting material manufacturer.

B. Where indicated, prepare substrates to receive waterproofing by applying a reinforced mortarbed that complies with ANSI A108.1A and is sloped 1/4 inch per foot (1:50)

3.3 INSTALLATION

toward drains.

A. Comply with TCA's "Handbook for Ceramic Tile Installation" for TCA installation methodsspecified in stone tile installation schedules. Comply with parts of the ANSI A108 Series"Specifications for Installation of Ceramic Tile" that are referenced in TCA installation methodsspecified in stone tile installation schedules, and apply to types of setting and grouting materialsused.


38/94


1. For the following installations, follow procedures in the ANSI A108 Series of tileinstallation standards for providing 95 percent mortar coverage:

a. Exterior stone tile floors.

B. Wipe backs of stone tiles with a damp cloth to remove dirt and dust before units are installed.

C. Extend stone tile work into recesses and under or behind equipment and fixtures to formcomplete covering without interruptions unless otherwise indicated. Terminate work neatly atobstructions, edges, and corners without disrupting pattern or joint alignments.

D. Accurately form intersections and returns. Perform cutting and drilling of stone tile withoutmarring visible surfaces. Carefully grind cut edges of stone tile abutting trim, finish, or built-initems for straight aligned joints. Fit stone tile closely to electrical outlets, piping, fixtures, andother penetrations so plates, collars, or covers overlap stone tile.

E. Finish cut stone tile edges that will not be concealed by other construction by grinding andhoning cut surfaces to match factory-fabricated edges unless otherwise indicated.

F. Jointing Pattern: Lay stone tile in grid pattern unless otherwise indicated. Lay out stone tilework and center stone tile fields in both directions in each space. Lay out stone tile work tominimize the use of pieces that are less than half of a tile. Provide uniform joint widths unlessotherwise indicated.

G. Lay out stone tile wainscots to dimensions indicated or to next full tile beyond dimensionsindicated.

H. Match stone tiles within each space by selecting tiles to achieve uniformity of color and pattern.Reject or relocate stone tiles that do not match color and pattern of adjacent tiles.

I. Mix stone tiles to achieve a uniformly random distribution of color shadings and patterns.

J. Pattern Orientation: For stone varieties with directional pattern, orient pattern as indicated ordirected by Architect.

K. Expansion Joints: Provide expansion joints and other sealant-filled joints, including control,contraction, and isolation joints, where indicated. Form joints during installation of settingmaterials, mortar beds, and stone tile. Do not saw-cut joints after installing stone tiles.

1. Where joints occur in concrete substrates, locate joints in stone tile surfaces directlyabove them.

2. Prepare joints and apply sealants to comply with requirements in Division 7 Section"Joint Sealants."

L. Metal Edge Strips: Install where exposed edge of stone tile flooring meets carpet, wood, orother flooring that finishes flush with or below top of stone tile and no threshold is indicated.

3.4 INSTALLATION TOLERANCES

A. Variation in Level: For horizontal joints and other conspicuous lines, do not exceed 1/8 inch in10 feet (3 mm in 3 m), or 1/2 inch (12 mm) maximum.


39/94


B. Variation in Surface Plane of Flooring: Do not exceed 1/8 inch in 10 feet (3 mm in 3 m) fromlevel or slope indicated when tested with a 10-foot (3-m)

C. Variation in Plane between Adjacent Units (Lipping): Do not exceed the following differencesbetween faces of adjacent units as measured from a straightedge parallel to stone tiled surface:

straightedge.

1. Units with Polished Faces: 1/64 inch (0.4 mm)2. Units with Honed Faces:

.1/64 inch

3. Units with Sand-Rubbed Faces:(0.4 mm).

1/32 inch (0.8 mm)4. Units with Thermal-Finished Faces: Depth of thermal finish or

.3/16 inch (5 mm)

5. Units with Natural-Cleft Faces: Depth of natural-cleft finish or

,whichever is less.

3/16 inch (5 mm)

D. Variation in Joint Width: Do not vary joint thickness more than

,whichever is less.

1/16 inch (1.6 mm)

3.5 ADJUSTING AND CLEANING

or one-fourth of nominal joint width, whichever is less.

A. Remove and replace material that is stained or otherwise damaged or that does not matchadjoining stone tile. Provide new matching units, installed as specified and in a manner toeliminate evidence of replacement.

B. Cleaning: On completion of placement and grouting, clean stone tile surfaces so they are freeof foreign matter.

C. Apply sealer to cleaned stone tile flooring according to sealer manufacturer's writteninstructions.

3.6 EXTERIOR TERRA COTTA TILE INSTALLATION SCHEDULE

A. Terra Cotta Tile Type TC-1:

1. Building Skin: terrART Large panel tiles.

B. Terra Cotta Tile Type TC-2:

1. Roof and Windows: terrART Baguette tiles.

3.7 EXTERIOR STONE TILE INSTALLATION SCHEDULE

A. Exterior Floor Installations:

1. Stone Tile Installation F101: Cement mortar bed (thickset) over waterproof membraneon concrete where indicated and bonded to concrete where membrane is not indicated ; TCA F101.

a. Stone Tile Type: ST-01.b. Bond Coat/Thin-Set Mortar: Dry-set portland cement mortar.


40/94


41/94

Mt. Pleasant Library 09629-1 75% Printing: 20 February 2009CORE Group, P.C. CORK FLOORING

SECTION 09629

PART 1 - GENERAL

CORK FLOORING



1.2 SUMMARY


1. Cork floor tile.2. Engineered cork floor tile.

B. Related Sections:

1. Division 9 Section "Resilient Wall Base and Accessories" for resilient base, reducerstrips, and other accessories installed with cork floorings.

1.3 SUBMITTALS


B. LEED Submittals:

1. Product Data for Credit MR 6.0: For cork flooring, including printed statement of costsfor each rapidly renewable material.

2. Product Data for Credit EQ 4.1: For adhesive, including printed statement of VOCcontent.

3. Product Data for Credit EQ 4.2: For field-applied sealer and finish coatings, includingprinted statement of VOC content.

4. Product Data for Credit EQ 4.4: For cork flooring and MDF, including printed statementindicating that the bonding agent and adhesive contain no urea-formaldehyde resins.

C. Shop Drawings: For each type of cork flooring. Include cork flooring layouts, edges, columns,doorways, enclosing partitions, built-in furniture, cabinets, and cutouts.

1. Show details of special patterns.

D. Samples for Initial Selection: For each type of cork flooring indicated.

E. Samples for Verification: Full-size units of each shade, pattern, and finish of cork flooringrequired.


42/94


F. Product Schedule: For cork flooring. Use same designations indicated on Drawings.

G. Maintenance Data: For each type of cork flooring to include in maintenance manuals.


A. Fire-Test-Response Characteristics: As determined by testing identical products according toASTM E 648 or NFPA 253 by a qualified testing agency.

1. Critical Radiant Flux Classification: Class I, not less than 0.45 W/sq. cm] [Class II, notless than 0.22 W/sq. cm.

B. Product Certificates: For cork floating floor system, from manufacturer, certifying that MDFcore contains no urea-formaldehyde resins.

C. Mockups: Build mockups to verify selections made under sample submittals and todemonstrate aesthetic effects and set quality standards for materials and execution.

1. Build mockups for cork flooring including resilient base and accessories.

a. Size: Minimum 100 sq. ft. (9.3 sq. m)

1.5 DELIVERY, STORAGE, AND HANDLING

for each cork flooring type, shade, pattern,and finish in locations directed by Architect.

A. Store cork flooring and installation materials in dry spaces protected from the weather, withambient temperatures maintained within range recommended by manufacturer, but not less than50 deg F (10 deg C) or more than 90 deg F (32 deg C)

1.6 PROJECT CONDITIONS

. Store cork flooring on flat surfaces.

A. Maintain ambient temperatures within range recommended by manufacturer, but not less than65 deg F (18 deg C) or more than 75 deg F (24 deg C)

1. 72 hours before installation.

where relative humidity is between 45and 65 percent, in spaces to receive cork flooring during the following time periods:

2. During installation.3. 72 hours after installation.

B. Until Substantial Completion, maintain ambient temperatures within range recommended bymanufacturer, but not less than 65 deg F (18 deg C) or more than 75 deg F

C. Close spaces to traffic during cork flooring installation.

(24 deg C).

D. Close spaces to traffic for 72 hours after cork flooring installation.

E. Install cork flooring after other finishing operations, including painting, have been completed.


43/94


1.7 EXTRA MATERIALS

A. Furnish extra materials that match products installed and that are packaged with protectivecovering for storage and identified with labels describing contents.

1. Cork Flooring: Furnish 1 box for every 50 boxes or fraction thereof, of each type, shade,pattern, and finish of cork flooring installed.

PART 2 - PRODUCTS

2.1 CORK FLOOR TILE

A. Cork Floor Tile Type CK-01; Terrace Floor Tile: Composed of 100 percent natural corkbark and recycled cork granules and set in a natural or synthetic, flexible resin matrix;homogeneous and uniform in composition throughout the tile thickness.

1.

Manufacturers: Subject to compliance with requirements, provide products by one of thefollowing:a. Expanko, Inc.

B. Provide cork floor tile made with adhesives and binders that do not contain urea-formaldehyderesins.

C. Minimum Density: See Interior FF+E finish schedule.

D. Thickness: See Interior FF+E finish schedule.

E. Size: See Interior FF+E finish schedule

F. Shade: See Interior FF+E finish schedule.

.

G. Finish: See Interior FF+E finish schedule.

2.2 ENGINEERED CORK FLOOR TILE

2.3 INSTALLATION MATERIALS

A. Trowelable Leveling and Patching Compounds: Latex-modified, portland cement-based orblended hydraulic-cement-based formulation provided or approved by cork flooring

manufacturer for applications indicated.

B. Vapor Retarder: ASTM D 4397, polyethylene sheet not less than 6.0 mils (0.15 mm)

C. Adhesive: Water-resistant products as recommended by manufacturer

Section 09111 Non-load-bearing Steel Framing Part 1

Documents

Transcript of Section 09111 Non-load-bearing Steel Framing Part 1