Template:Materials - Insulation Overlay (Moisture-resistant Gypsum Core Boards)

Moisture-resistant fibreglass-faced silicon treated gypsum core Overlays
Click on a manufacturer's name to see the full list of their products accepted for use in the RoofStar Guarantee Program. NOTE: materials linked to Tested Assembly tables may be displayed separately or located only in Tested Assembly reports.

Manufacturer	Product Name	Thickness (mm)	Thickness (in.)	Dimensions (mm)	Dimensions (in.)	Compressive Strength (kPa)	Compressive Strength (psi)	Thermal Resistance (RSI/25.4 mm)	Thermal Resistance (R/inch)
Georgia-Pacific Canada Ltd.	DensDeck® Roofboard	6.4, 12.7, 15.9	1/4, 1/2, 5/8	6.4, 12.7, 15.9	4 x 8	3447 - 6205	500 - 900	-	0.56
Georgia-Pacific Canada Ltd.	DensDeck® Prime with EONIC Roof Board	6.4, 12.7, 15.9	1/4, 1/2, 5/8	6.4, 12.7, 15.9	4 x 8	3447 - 6205	500 - 900	-	0.56
USG (CGC) SecureRock	Securerock Gypsum Fibre Roof Board	-	-	-	-	-	-	-	-
USG (CGC) SecureRock	Securerock Glass-Mat Roof Board	-	-	-	-	-	-	-	-