DensDeck® Roof Boards

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Enhanced DensDeck® Prime roof boards help achieve better bond strength with solvent-based adhesives and carry a 90-day weather exposure limited warranty for vertical application on parapet walls.

Vegetative Roof with DensDeck Roof Board

Add Value with DensDeck® Roof Boards

Leading the fiberglass mat gypsum roof board category for more than 25 years, DensDeck® roof boards have earned wide acceptance in the commercial roofing industry. Used as cover boards, underlayment or thermal barrier, DensDeck can add durability and sustainability to virtually any commercial roofing system. Ideal in sound rated assemblies. Watch a video

High-Performance Roof Protection

DensDeck® roof boards offer unparalleled protection, versatility and durability for commercial roof systems. Ideal to support roof-mounted alternative energy systems and to protect against damage from fire, hail or foot traffic.

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Sound Isolation

Tested in assemblies, DensDeck® Roof Boards contribute to Sound Transmission Class (STC) up to 61 and Outdoor Indoor Transmission Class (OITC) ratings up to 49¹. Ideal for today's high-performance buildings.

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Description
Application

DensDeck Prime Roof Board

Versatile fiberglass mat roof board. Enhanced surface treatment allows uniform spreading of adhesives for a strong, consistent bond.

Ideal Cover Board
Single-Ply Adhered
Modified Bitumen
Built Up Roofing (BUR)
Spray Foam
Solar, Vegetative, Cool

DensDeck Roof Board

Durable, moisture- and mold-resistant fiberglass mat roof boards for a wide variety of roofing systems. Use for new and re-roofing applications.

Thermal barrier
Single-Ply Mechanically Attached

DensDeck DuraGuard Roof Board

Combines the superior features of DensDeck roof board with a durable, low-perm integrated coating ideal for a variety of self-adhered systems.

Self-Adhered
Fluid-Applied
Modified Bitumen
Built Up Roofing (BUR)
Photovoltaic, Vegetative, Cool

¹Testing on these assemblies was conducted and passed at the Riverbank Acoustics Laboratories in Geneva, IL, one of the oldest and most respected sound testing laboratories in the nation.

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.

LEED is a trademark of the U.S. Green Building Council.

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