Cement Board MD Finish System™
Cement Board MD Finish System™
This document provides a comprehensive guide for the installation of the Cement Board MD Finish System, which is an exterior finish system applied over cement board with a secondary weather resistive barrier and moisture drainage.
Installation Details
The document includes detailed instructions for various installation scenarios:
- Outside corners, vertical control/expansion joints, soffit/fascia terminations, parapet/wall intersections, and terminations at sloped roofs and foundations.
- Window installations, including storefront window sills/jambs and flanged window heads.
- Railing attachments, vent penetrations, and expansion joints at floor lines.
System Requirements and Recommendations
- OSB sheathing requires a sheet-type weather resistive barrier instead of Backstop NT.
- Weather resistive membranes should be installed in a weatherboard fashion.
- Flashing tape should extend to the inside face of framing for window openings.
- The system should terminate at least 50mm (2 inches) off the roof.
Liability and Warranty
- Dryvit disclaims liability for architectural design, engineering, or workmanship of projects using its systems or products.
- The responsibility for compliance with local building codes and standards lies with the project's design professional.
- Dryvit's standard warranty applies, and users are advised to contact Dryvit for a complete copy of the warranty.
Notes
- This document serves as general guidance and is subject to change without notice. Users should ensure they have the most recent version.
- Use of a functionally equivalent detail does not violate Dryvit's warranty.
Specifications
The document specifies requirements for the installation of weather resistive barriers and other components:
- OSB Sheathing: Requires a sheet-type weather resistive barrier instead of Backstop NT.
- Weather Resistive Membranes: Must be installed in a weatherboard fashion.
Details
Various termination and joint details are included:
- Parapet Termination: Details for parapet termination are provided.
- Termination at Deck: Specifics for deck termination are outlined.
- Soffit/Fascia Termination: Instructions for soffit and fascia termination are included.
- Vertical Control/Expansion Joint: Guidelines for vertical control and expansion joints are given.
- Outside Corner: Reinforcing mesh should not be lapped within 8 inches of outside corners.
- EPS Shape Attachment: Details for EPS shape attachment are provided.
Additional Notes
The document emphasizes the discretion of the design professional to use functionally equivalent alternatives without violating Dryvit's warranty and advises contacting Dryvit for the most recent version of the details.
Catalog excerpts
03-03 CEMENT BOARD MD FINISH SYSTEM™ An Exterior Finish System Applied Over Exterior Cement Board With A Secondary Weather Resistive Barrier And Moisture Drainage Cement Board MD Finish System Installation Details DS190
Open the catalog to page 1
Outside Corner Vertical Control/Expansion Joint Soffit/Fascia Termination Parapet/Wall Intersection Termination at Sloped Roof Vent Penetration Railing Attachment Storefront Window Sill/Jamb Flanged Window Head Flanged Window Sill/Jamb Expansion Joint at Floor Line Termination at Foundation Storefront Window Head Termination at Deck DETAIL CBMD 0.0.13 CBMD 0.0.15 CBMD 0.0.14 CBMD 0.0.07 CBMD 0.0.08 CBMD 0.0.11 CBMD 0.0.12 CBMD 0.0.10 CBMD 0.0.05 CBMD 0.0.06 CBMD 0.0.09 CBMD 0.0.03 PAGE CBMD 0.0.01 CBMD 0.0.02 CBMD 0.0.04 DRYVIT MAKES NO REPRESENTATION REGARDING CONFORMITY OF ITS SUGGESTIONS TO...
Open the catalog to page 2
Cement Board MD® ® DATE: 2-03 © 2002 Dryvit APPROVED BY: RS 2 REV: The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or a functionally equivalent...
Open the catalog to page 3
™ ®, ™ ™ ™ ™ Cement Board MD® ® DATE: 2-03 © 2002 Dryvit APPROVED BY: RS 2 REV: The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or a functionally...
Open the catalog to page 4
™ ®, ™ ™ ™ ™ Cement Board MD® ® DATE: 2002 Dryvit 2-03 © APPROVED BY: RS 2 REV: The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or a functionally...
Open the catalog to page 5
Cement Board MD® ® DATE: 2-03 © 2002 Dryvit APPROVED BY: RS 2 REV: NOTE 1: CBMD 0.0.04 The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or a functionally...
Open the catalog to page 6
™ ™ ™ ®, ™ ™ Cement Board MD® ® DATE: 2002 Dryvit 2-03 © APPROVED BY: RS 2 REV: CBMD 0.0.05 The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or...
Open the catalog to page 7
™ ®, ™ ™ ™ ™ Cement Board MD® ® DATE: 2002 Dryvit 2-03 © APPROVED BY: RS 2 REV: The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or a functionally...
Open the catalog to page 8
Cement Board MD® ® DATE: 2-03 © 2002 Dryvit APPROVED BY: RS 2 REV: CBMD 0.0.07 The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or a functionally...
Open the catalog to page 9
™ ®, ™ ™ ™ ™ Cement Board MD® ® DATE: 2002 Dryvit 2-03 © APPROVED BY: RS 2 REV: The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or a functionally...
Open the catalog to page 10
™ ™ ®, ™ ™ ™ Cement Board MD® ® DATE: 2002 Dryvit 2-03 © APPROVED BY: RS 2 REV: The architecture, engineering and design of the project using the Dryvit products is the responsibility of the project's design professional. All systems must comply with local building codes and standards. This detail is for general information and guidance only and Dryvit specifically disclaims any liability for the use of this detail and for the architecture, design, engineering or workmanship of any project. The project design professional determines, in its sole discretion, whether this detail or a functionally...
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