®

Facades

Exterior WallInsulation Systems

StoPowerwall® ExtraSeal™ is a stucco wall assemblywith continuous air and moisture barrier for directapplications to concrete or concrete masonry (CMU)wall construction. It combines the strength and durability of traditional stucco with Sto ExtraSeal moisture protection and Sto high performance finishes.

StoPowerwall ExtraSeal can be used in residential orcommercial wall construc-tion for superior aesthetics,durability, and air and moisture control.

StoPowerwall ExtraSeal™

Detail BookletSeries 65c.xx | November 2021

®

ATTENTION

The final design of any project is the sole responsibility of the Design Professional, with considerations for compliance with local building and design codes and requirements.Sto Corp. accepts no liability for design, engineering, or workmanship of any project.The information provided herein is in addition to other technical data provided by Sto Corp. (System Bulletin, Specification, Guide Details, etc). For more information, please visit www.stocorp.com

3800 Camp Creek Pkwy. SWBldg. 1400 • Suite 120Atlanta, GA 30331Tel: (800) 221-2397Fax: (404) 346-3119http://www.stocorp.comhelpdesk.stocorp.com

Sto Corp.

StoPowerwall® ExtraSeal™Table of Contents

Design Details

2

System Components ...................................................................................................................................................... 65c.00 System Components with Sto Crack Defense System ...................................................................................................... 65c.00A System Components with StoCast Brick ......................................................................................................................... 65c.00 SCB System Components with StoCast Wood ........................................................................................................................ 65c.00 SCW Aesthetic Feature Band .................................................................................................................................................. 65c.00B Termination at Grade ..................................................................................................................................................... 65c.01 Termination at Floorline ................................................................................................................................................. 65C.21 Window Jamb/Sill – Face Flange Window w/ Precast Sill ................................................................................................. 65C.25 Window Head – Face Flange Window ............................................................................................................................ 65C.26 Joint at Concrete Column Interface ................................................................................................................................ 65C.41 Parapet ......................................................................................................................................................................... 65C.81

Detail No.: 65c.00 Date: April 2016

ATTENTION Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components. STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.com Property of Sto Corp. All Rights Reserved.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

Notes:

StoPowerwall® ExtraSealTM Air Barrier & WRB on CMU Backup Assembly Components

Sto Primer

Sto Textured Finish Coat

Sto PowerWall® Stucco Brown Coat

Sto ExtraSeal ® Scratch Coat

Masonry Substrate

Sto ExtraSeal ® Skim Coat (Air Barrier & WRB)

1. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

2. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

Sto Components:

• Sto ExtraSeal ® Skim Coat (Air Barrier & WRB)

• Sto ExtraSeal ® Scratch Coat

• Sto PowerWall® Stucco Brown Coat

• Sto Primer

• Sto Textured Finish Coat

.

StoPowerwall® ExtraSeal™ with Sto Crack Defense SystemSystem Components

Detail No.: 65c.00ADate: April 2016

Masonry Substrate

Sto ExtraSeal® Skim Coat (Air & Moisture Barrier)

Sto ExtraSeal® Scratch Coat

StoPowerwall™ Brown Coat

Sto Crack Defense System:Sto Base Coat with Sto Mesh embedded

Sto Primer (optional)

Sto Textured Finish

Notes: 1. Sto Components:

• Sto ExtraSeal® Skim Coat (Air Barrier & WRB)• Sto ExtraSeal®Scratch Coat• StoPowerwall®Stucco BrownCoat• Sto Crack Defense: Sto Base Coat with Sto Mesh embed-ded.• Sto Primer• Sto Textured Finish Coat

2. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

3. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

®

ATTENTION

Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components.

STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

www.stocorp.com

Property of Sto Corp. All Rights Reserved.

StoPowerwall® ExtraSeal™ with StoCast Brick Detail No.: 65c.00 SCBDate: November 2021

Masonry Substrate

Sto ExtraSeal® Skim Coat (Air & Moisture Barrier)

Sto ExtraSeal® Scratch Coat

StoPowerwall® Brown Coat

Sto Bonding & PointingMortar(See Note 4)

StoCast Brick(See Note 4)

Sto Bonding & PointingMortar(See Note 4)

Notes: 1. Sto Components:

• Sto ExtraSeal® Skim Coat(Air Barrier & WRB)• Sto ExtraSeal®Scratch Coat• StoPowerwall®Stucco BrownCoat• Sto Bonding & PointingMortar• StoCast Brick

2. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

3. Stucco brown coat material in compliance with ASTM C926 and manufactured or listed by Sto Corp.

4. Refer to the StoCast Brick Application Guide for more information.

5. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

6. Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

®

ATTENTION

Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components.

STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.comProperty of Sto Corp. All Rights Reserved.

StoPowerwall® ExtraSeal™ with StoCast Wood Detail No.: 65c.00 SCWDate: November 2021

Masonry Substrate

Sto ExtraSeal® Skim Coat (Air & Moisture Barrier)

Sto ExtraSeal® Scratch Coat

StoPowerwall® Brown Coat(See Note 3)

StoCast Wood Adhesive(See Note 4)

StoCast Wood(See Note 4)

StoColor® Wood Stain(See Note 4)

Notes: 1. Sto Components:

• Sto ExtraSeal® Skim Coat(Air Barrier & WRB)• Sto ExtraSeal®Scratch Coat• StoPowerwall®Stucco BrownCoat• StoCast Wood Adhesive• StoCast Wood• StoColor® Wood Stain

2. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

3. Stucco brown coat material in compliance with ASTM C926 and manufactured or listed by Sto Corp.

4. Refer to the StoCast Wood Application Guide for more information.

5. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

6. Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

®

ATTENTION

Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components.

STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.comProperty of Sto Corp. All Rights Reserved.

Detail No.: 65c.00BDate: October 2017

ATTENTION

Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor orbuilder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, orby unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activitiesbeyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of thebuilding or its components.

STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS INACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing andother specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.comProperty of Sto Corp. All Rights Reserved.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

Notes:

StoPowerwall® ExtraSealTM

Air Barrier & WRB on CMU BackupAesthetic Feature Band

Sto Primer (Optional)

Sto Textured Finish Coat

Sto Powerwall® Stucco Brown Coat

Sto ExtraSealTM Scratch Coat

Masonry Substrate

Sto ExtraSealTM Skim Coat (Air Barrier & WRB)

3. Limit thickness of build-out to reduce maintenance associated with projecting architectural features.

1. Feature band attached with StoTurboStick Adhesive or StoBaseCoat/Adhesive.

2. Slope top surface of feature band minimum 27 degrees. Increase slope for northern climates to prevent snow and ice accumulations.

4. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

5. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

Aesthetic Feature Band

Sto Mesh

Sto Base Coat(with Sto Mesh Embedded)

Min. 2½ in. (64 mm) Overlap

Sto EPS Insulation Board

Detail No.: 65c.01 Date: April 2016

ATTENTION Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components. STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.com Property of Sto Corp. All Rights Reserved.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

Notes:

2. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

1. Terminate weep screed with nosing minimum 1 inch (25 mm) below concrete floor line. Terminate stucco minimum 4 inches (102 mm) above grade, minimum 2 inches (51 mm) above paved surfaces (sidewalks, pavers, etc.).

3. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

StoPowerwall® ExtraSealTM Air Barrier & WRB on CMU Backup Termination at Grade

Sto Primer

Sto Textured Finish Coat

Sto PowerWall® Stucco Brown Coat: Apply in Accordance w/ ASTM C926 Applied After Sto ExtraSeal ® has Been in Place Minimum 24 Hours. Limit Total Thickness, Including Sto ExtraSeal ® and Stucco Brown Coat to 5/8” (16mm) Max.

Sto ExtraSeal ® Scratch Coat: Apply Nominal 3/8” (9mm) Coat of Sto ExtraSeal ® and Scratch Horizontally as Soon as Skim Coat is Dry

Masonry Substrate

Sto ExtraSeal ® Skim Coat: Nominal 1/8” (3mm) Thick Depending on Surface Conditions to Produce a Void and Pinhole Free Surface

StoGuard® Transition Membrane embedded in Sto ExtraSeal ®

Perforated Weep Screed

Top of Grade Min. 4” (102 mm) Below Nosing of Weep Screed

Detail No.: 65c.21 Date: April 2016

ATTENTION Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components. STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.com Property of Sto Corp. All Rights Reserved.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

Notes:

1. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

2. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

StoPowerwall® ExtraSealTM Air Barrier & WRB on CMU Backup Floor Line

Sto Primer

Sto Textured Finish Coat

Sto PowerWall® Stucco Brown Coat: Apply in Accordance w/ ASTM C926 Applied After Sto ExtraSeal ® has Been in Place Minimum 24 Hours. Limit Total Thickness, Including Sto ExtraSeal ® and Stucco Brown Coat to 5/8” (16mm) Max.

Sto ExtraSeal ® Scratch Coat: Apply Nominal 3/8” (9mm) Coat of Sto ExtraSeal ® and Scratch Horizontally as Soon as Skim Coat is Dry

Horizontal Movement Joint at Underside of Structure

Sto ExtraSeal ® Skim Coat: Nominal 1/8” (3mm) Thick Depending on Surface Conditions to Produce a Void and Pinhole Free Surface

StoGuard® Transition Membrane

Struct. Floor Line

Masonry Substrate

Back-to-Back Casing Beads

Control Joint

Sealant & Backer Rod

Detail No.: 65c.25 Date: April 2016

ATTENTION Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components. STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.com Property of Sto Corp. All Rights Reserved.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

Notes:

2. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

1. Consult with window and sealant manufacturers to verify window installation and detailing and to assure no leakage into the wall assembly. Consult with window manufacturer regarding window and/or flashing assemblies with thermal breaks to avoid condensation. Test the final assembly using materials and sub-trades associated with the project to verify performance. Correct any deficiencies associated with excess air leakage, water infiltration into the wall assembly, or structural inadequacies.

3. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

Sto Primer

Sto Textured Finish Coat

Control Joint

Sto PowerWall® Stucco Brown Coat: Apply in Accordance w/ ASTM C926 Applied After Sto ExtraSeal ® has Been in Place Minimum 24 Hours. Limit Total Thickness, Including Sto ExtraSeal ® and Stucco Brown Coat to 5/8” (16mm) Max.

Sto ExtraSeal ® Scratch Coat: Apply Nominal 3/8” (9mm) Coat of Sto ExtraSeal ® and Scratch Horizontally as Soon as Skim Coat is Dry

9” x 12” Sto Mesh at 45˚ at Corners; Embed in Sto ExtraSeal ® (not shown for clarity; see inset)

Sto Mesh Returning 4” ea. Side @ All Inside Corners of Jamb / Sill

Sto Coat AcrylPlus® Topcoat @ Top of Sill, Returning Down Face of Sill 1”± (Color Matched to Sto Textured Finish Coat)

Embed Sto Mesh in Sto ExtraSeal ® Typ. StoGuard RapidSeal®

Casing Bead

Cont. Sealant

Fillet Seal Over Bond Breaker Tape (Seal to Sto ExtraSeal ® )

Masonry Substrate

Sto Mesh Returning 4” ea. Side @ All Inside Corners of Jamb / Sill

Corner Bead

StoPowerwall® ExtraSealTM Air Barrier & WRB on CMU Backup Window Jamb/Sill – Face Flange Window w/ Precast Sill

Precast Sill

Cont. Perimeter Sealant & Backer Rod

Sto ExtraSeal ® Skim Coat: Nominal 1/8” (3mm) Thick Depending on Surface Conditions to Produce a Void and Pinhole Free Surface

Sto Mesh Extends from Sill 4” Down Face of Brown Coat

Wood Buck @ Rough Opening

Casing Bead

Control Joint

Detail No.: 65c.26 Date: April 2016

ATTENTION Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components. STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.com Property of Sto Corp. All Rights Reserved.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

Notes:

2. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

1. Consult with window and sealant manufacturers to verify window installation and detailing and to assure no leakage into the wall assembly. Consult with window manufacturer regarding window and/or flashing assemblies with thermal breaks to avoid condensation. Test the final assembly using materials and sub-trades associated with the project to verify performance. Correct any deficiencies associated with excess air leakage, water infiltration into the wall assembly, or structural inadequacies.

3. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

StoPowerwall® ExtraSealTM Air Barrier & WRB on CMU Backup Window Head – Face Flange Window

Sto Primer

Sto Textured Finish Coat

Control Joint

Sto PowerWall® Stucco Brown Coat: Apply in Accordance w/ ASTM C926 Applied After Sto ExtraSeal ® has Been in Place Minimum 24 Hours. Limit Total Thickness, Including Sto ExtraSeal ® and Stucco Brown Coat to 5/8” (16mm) Max.

Sto ExtraSeal ® Scratch Coat: Apply Nominal 3/8” (9mm) Coat of Sto ExtraSeal ® and Scratch Horizontally as Soon as Skim Coat is Dry

9” x 12” Sto Mesh at 45˚ at Corners; Embed in Sto ExtraSeal ® (not shown for clarity

Casing Bead

Fillet Seal Over Bond Breaker Tape (Seal to Sto ExtraSeal ® ; Primer & Finish Abut Fillet Seal)

Masonry Substrate

Sto Mesh Returning 4” ea. Side @ All Inside Corners

Sto ExtraSeal ® Skim Coat: Nominal 1/8” (3mm) Thick Depending on Surface Conditions to Produce a Void and Pinhole Free Surface

Reinforced CMU Lintel

Wood Buck @ Rough Opening

Cont. Sealant

StoGuard RapidSeal®

Corner Bead

Masonry Substrate

Drip Screed

Drip Screed

Detail No.: 65c.41 Date: April 2016

ATTENTION Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components. STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.com Property of Sto Corp. All Rights Reserved.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

Notes:

StoPowerwall® ExtraSealTM Air Barrier & WRB on CMU Backup Joint at Concrete Column Interface

Unrestrained Joint 1. Construct a site built mock-up using

materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

2. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

Sto Primer

Sto Textured Finish Coat

Sto PowerWall® Stucco Brown Coat: Apply in Accordance w/ ASTM C926 Applied After Sto ExtraSeal ® has Been in Place Minimum 24 Hours. Limit Total Thickness, Including Sto ExtraSeal ® and Stucco Brown Coat to 5/8” (16mm) Max.

Sto ExtraSeal ® Scratch Coat: Apply Nominal 3/8” (9mm) Coat of Sto ExtraSeal ® and Scratch Horizontally as Soon as Skim Coat is Dry

Sto ExtraSeal ® Skim Coat: Nominal 1/8” (3mm) Thick Depending on Surface Conditions to Produce a Void and Pinhole Free Surface

StoGuard® Transition Membrane

Masonry Substrate

Back-to-Back Casing Beads

Control Joint

Sealant & Backer Rod

StoGuard® Transition Membrane

Sto ExtraSeal ® Scratch Coat: Apply Nominal 3/8” (9mm) Coat of Sto ExtraSeal ® and Scratch Horizontally as Soon as Skim Coat is Dry

Sto Primer

Sto Textured Finish Coat

Sto ExtraSeal ® Skim Coat: Nominal 1/8” (3mm) Thick Depending on Surface Conditions to Produce a Void and Pinhole Free Surface

Masonry Substrate

Restrained Joint

Concrete Column

Detail No.: 65c.81 Date: April 2016

ATTENTION Sto products are intended for use by qualified professional contractors, not consumers, as a component of a larger construction assembly as specified by a qualified design professional, general contractor or builder. They should be installed in accordance with those specifications and Sto’s instructions. Sto Corp. disclaims all, and assumes no, liability for on-site inspections, for its products applied improperly, or by unqualified persons or entities, or as part of an improperly designed or constructed building, for the nonperformance of adjacent building components or assemblies, of for other construction activities beyond Sto’s control. Improper use of Sto products or use as part of an improperly designed or constructed larger assembly or building may result in serious damage to Sto products, and to the structure of the building or its components. STO CORP. DISCLAIMS ALL WARRANTIES EXPRESSED OR IMPLIED EXCEPT FOR EXPLICIT LIMITED WRITTEN WARRANTIES ISSUED TO AND ACCEPTED BY BUILDING OWNERS IN ACCORDANCE WITH STO’S WARRANTY PROGRAMS WHICH ARE SUBJECT TO CHANGE FROM TIME TO TIME. For the fullest, most current information on proper application, clean-up, mixing and other specifications and warranties, cautions and disclaimers, please refer to the Sto Corp. website, www.stocorp.com.

www.stocorp.com Property of Sto Corp. All Rights Reserved.

IMPORTANT: Components not identified as Sto are furnished by other manufacturers and are not necessarily installed by trades who install the Sto products. Refer to project specific contract documents.

Notes:

StoPowerwall® ExtraSealTM Air Barrier & WRB on CMU Backup Parapet

1. Construct a site built mock-up using materials and sub-trades associated with the project to verify installation sequencing, detailing, and aesthetics.

2. Refer to applicable Sto guide specifications, product bulletins, Tech Hotlines, and other Sto guide details for additional information.

Sto PowerWall® Stucco Brown Coat: Apply in Accordance w/ ASTM C926 Applied After Sto ExtraSeal ® has Been in Place Minimum 24 Hours. Limit Total Thickness, Including Sto ExtraSeal ® and Stucco Brown Coat to 5/8” (16mm) Max.

Sto ExtraSeal ® Scratch Coat: Apply Nominal 3/8” (9mm) Coat of Sto ExtraSeal ® and Scratch Horizontally as Soon as Skim Coat is Dry

Sto ExtraSeal ® Skim Coat: Nominal 1/8” (3mm) Thick Depending on Surface Conditions to Produce a Void and Pinhole Free Surface

StoGuard® Transition Membrane

Back-to-Back Casing Beads

Control Joint

Sto Primer

Sto Textured Finish Coat Masonry Substrate

Horizontal Movement Joint at Underside of Structure

Roof Perimeter Air Barrier Layer

Parapet Flashing

Fully Adhered Waterproof Membrane

Fully Adhered Roof Membrane

Roof Insulation (Joints Staggered Horizontally & Vertically)

Blocking as Req’d

Roof Structure

Cover Bd.

Cont. Cleat

Vapor Control Membrane (Vapor Permeance as Determined by Qualified Professional)

Casing Bead Note: Fully Adhered Roof Membrane Termination @ Front of Wall Coincides with Perforated or Expanded Flange of Casing Bead Termination

Sto ExtraSeal ® Skim Coat: Nominal 1/8” (3mm) Thick Depending on Surface Conditions to Produce a Void and Pinhole Free Surface