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

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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
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 - - - - - - - -