Stevens Roofing Systems

DensDeck®


Georgia-Pacific DensDeck® roof board is a specially designed non structural gypsum roof “utility board”.  This product is produced with a patented treated core and embedded glass mats on both faces.  This unique design yields a fire barrier product with high strength, moisture and mold resistant properties.  DensDeck is offered in ¼-in., ½-in. and 5/8-in. thickness.

DensDeck is compatible with all Stevens membranes; Stevens EP™ (TPO), Stevens EV® (HP Elvaloy) and Stevens Hypalon® (CSPE) in energy-efficient white or Stevens colors.

DensDeck can be used in many installation methods such as Mechanically Attached, Fully-adhered, ballasted, Vented Roof System (VRS), GardenTop™ and Metal Retrofit Systems.

Densdeck® and Stevens Roofing Systems
Installation
Method
Membrane
Substrate
Thermal
Barrier
Fire
Barrier
"Over"
Fire
Barrier
"Under"
Recover
Board
FM
Class
1
FM
1-60
FM
1-90

UL
Class A

Hourly
Ratings
Mechanically Attached
X
X
X
X
X
X
X
X
X
X
Fully Adhered
X
X
X
X
X
X
X
X
X
X
Ballasted
X
X
X
X
X
Vented Roof System (VRS)
X
X
X
X
X
X
X
Protected Membrane
X
X
X
X
X
GardenTop™
X
X
Metal Retrofit
X
X
X
X
X
X
X
X
X

Attachment Methods
DensDeck Roof Board may be mechanically attached, mopped with hot asphalt or adhered with Stevens Insulation Adhesive or Stevens Olybond.

Contact the Stevens Technical Dept. at 877/788-8324 for information on FM and UL classifications or installation details.

DensDeck Prime®
Features a non-asphaltic, integral surface treatment for an enhanced bond and reduced fasteners.  DensDeck Prime has all the properties of DensDeck plus it creates a more consistent, stronger bond, reduces adhesive requirements, fewer fasteners are required and allows for uniform drying time.  DensDeck Prime is used for Fully-Adhered Stevens Roofing Systems.

For more information or to order these products contact Stevens Roofing Systems Customer Service Dept. at 800/621-ROOF ext. 1004.

The Georgia-Pacific logo and all trademarks are owned by or licensed to Georgia-Pacific Gypsum LLC.