Available in United States, Canada and Mexico
DensDeck† Roof Board from Georgia-Pacific is a specially designed non-structural gypsum roof board that features a patented treated gypsum core and embedded glass mats on both sides. This distinct design yields a thermal barrier product with high strength and moisture resistance with mold-resistant properties.
DensDeck Roof Board is a "utility board" for mechanically attached, fully adhered, ballasted, Vented Roof System, GARDENTOP™ and Metal Retrofit systems.
Related Information
Product Bulletin (Georgia-Pacific): DensDeck and DensDeck Prime Roof Board and UL 790 "Class A" Classification (245KB PDF)
TIEMPO™+ 2000 TPO Membrane Fully Adhered System Guide Specifications (896KB PDF)
TIEMPO™+ 2000 TPO Membrane Mechanically Attached System Guide Specifications (896KB PDF)
We're here to help. If you're not finding the information you need, please let us know.
† Trademark owned by or licensed to Georgia-Pacific Gypsum LLC
Sizes
| Sizes and Selected Properties for DensDeck Roof Board | |||
| Nominal Board Thickness, in | R-Value(1) | Board Size, ft | Nominal Compressive Strength, psi |
| 0.25 | 0.28 | 4 x 4 4 x 8 |
500-900 |
| 0.50 | 0.56 | 4 x 4 4 x 8 |
500-900 |
| 0.625 | 0.67 | 4 x 4 4 x 8 |
500-900 |
(1) R means resistance to heat flow. The higher the R-value, the greater the insulating power. R-values are expressed in ft2•h•°F/Btu. RSI values are expressed in m2•°C/W. R-value determined by ASTM C518.