DensDeck® Prime Roof Board is recommended for mechanically fastened, adhered and partially adhered roofing systems. It provides an ideal bonding surface for roofing membranes, as well as air/vapor retarders. DensDeck® Prime Roof Board continues to provide a broader compatibility and higher performance with roofing adhesives.

With the addition of EONIC^TM Technology, a patent-protected enhancement, DensDeck® Prime Roof Board has double the resistance to moisture in accordance with ASTM C1177. This enhancement helps defend your roof, better protect the integrity of your roofing assembly, and safeguard the contents inside your structure. It offers 5% water absorption resistance by weight, and 1-gram nominal surface water absorption performance on both sides of the board.