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

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. This table is currently under further revision.

Manufacturer	Product Name	System Test Type (Wind)	Thickness - mm (in.)	Dimensions - m (ft)	Compressive Strength (kPa)	Compressive Strength (psi)	Thermal Resistance (RSI/25.4 mm)	Thermal Resistance (R/inch)	Type
Georgia-Pacific Canada Ltd.	DensDeck Roofboard	MARS AARS	6.4, 12.7, 15.9 (1/4, 1/2, 5/8)	1.22 x 2.44 (4 x 8)	3447 - 6205	500 - 900	TBA	0.56	Gypsum
Georgia-Pacific Canada Ltd.	DensDeck Prime Roof Board	MARS PARS AARS	6.4, 12.7, 15.9 (1/4, 1/2, 5/8)	1.22 x 2.44 (4 x 8)	3447 - 6205	500 - 900	TBA	0.56	Gypsum with primer
USG (CGC) SecureRock	Securerock Gypsum Fibre Roof Board	AARS	TBA	TBA	‒	‒	‒	‒	Gypsum Fibre composite
USG (CGC) SecureRock	Securerock Glass-Mat Roof Board	‒	TBA	TBA	‒	‒	‒	‒	Gypsum Fibre composite