DensDeck® Roof Boards

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DensDeck® Roof Board

DensDeck® Roof Board, with fiberglass mats and a noncombustible* gypsum core, is designed to address persistent challenges inherent in commercial roofing assemblies.

As a thermal barrier, DensDeck panels provide needed fire resistance in FM Class 1 roofing systems. In mechanically attached single-ply membrane systems, DensDeck is ideal as a noncombustible underlayment over the structural deck.

DensDeck roof boards are available across the United States and Canada.

Approved by leading roofing system manufacturers and consultants, DensDeck roof board adds high performance and long life beyond what the membrane manufacturer's warranty will cover.

DensDeck® Roof Board
DensDeck® Roof Board

For recommendations and limitations of use for DensDeck Roof Boards, click here to download the technical brochure. Georgia-Pacific Gypsum does not warrant or provide specifications for any specific roofing assembly or any component other than DensDeck Roof Boards. Consult with the appropriate system manufacturer or design authority for system specifications and instructions.

* As described and tested in accordance with ASTM E 136 (CAN/ULC S-104)

The USGBC logo and LEED are a trademarks of the U.S. Green Building Council and are used with permission.

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