Roof boards for commercial roofing assemblies

DensDeck roof boards are designed to address fire resistance, moisture resistance, strength, and dimensional stability in commercial roofing assemblies. DensDeck Prime's enhanced surface treatment offers a useful substrate for many adhered roofings systems by allowing uniform spread of adhesives for a strong, consistent bond. DensDeck DuraGuard features a durable, low-perm, integrated coating that works well with self-adhered, hot-mopped membranes and torched asphaltic systems.

Applications: Cover board and thermal barrier board for low-slope commercial roofing systems.

Availability: Nationwide

Cost: $0.35-0.60/sf

Contents: Moisture-resistant gypsum core, fiberglass mat facer

Options/Sizes: DensDeck, uncoated fiberglass mat-faced gypsum: 4x8-foot board; ¼-, ½- and 5/8-inch thick. DensDeck Prime, coated, fiberglass mat-faced gypsum: 4x4-foot and 4x8-foot boards; ¼-, ½- and 5/8-inch thick. DensDeck DuraGuard, pre-coated fiberglass faced gypsum, low-perm coated face: 4x4-foot and 4x8-foot boards; ¼-, ½- and 5/8-inch thick.

Environmental attributes: May qualify for LEED points in Materials and Resources Recycled Content Credits 4.1 and 4.2 and Regional Materials Credits 5.1 and 5.2.

Contact: Georgia-Pacific Gypsum, www.gpdens.com

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