Deck Overlays

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Deck Overlays

(Redirected from Roof Deck Overlays)
Accepted Materials for a RoofStar Guarantee

The tables and products shown below provide basic material data and links to more information about the materials, including manufacturers' published Technical Data sheets, but this information is not intended for use as a comparison of material performance or quality. It is the sole responsibility of the Design Authority to assess the performance capability and material suitability for specific design requirements.

The materials listed are those which have been accepted by the RoofStar Guarantee Program (RCABC Guarantee Corp., or RGC) for use in a roof or grade-level waterproofing system that will qualify for a RoofStar Guarantee. The acceptance of these materials by the RGC (RoofStar Guarantee Program) in no way reflects on the quality or performance of other materials not listed.

The materials and guideline specifications are listed under the name of the manufacturer and/or supplier of the primary membrane material, with the exception of BUR membranes for which the reader will find RoofStar Guarantee Program guidelines on traditional built-up roofing systems (BUR) incorporating organic and glass felt primary membranes.

Gypsum and Composite Overlay 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 (in.) Weight (lb/square foot) Comprehensive Strength (nom. psi)
Georgia-Pacific Canada Ltd. DensDeck Roofboard 6.4 (1/4") 1.100 500-900
Georgia-Pacific Canada Ltd. DensDeck Roofboard 12.7 (1/2") 1.950 500-900
Georgia-Pacific Canada Ltd. DensDeck Roofboard 15.9 (5/8") 2.500 500-900
Georgia-Pacific Canada Ltd. DensDeck Prime Roof Board 6.4 (1/4) 1.150 900
Georgia-Pacific Canada Ltd. DensDeck Prime Roof Board 12.7 (1/2) 1.975 900
Georgia-Pacific Canada Ltd. DensDeck Prime Roof Board 15.9 (5/8) 2.550 900
USG (CGC) SecureRock Securerock Gypsum Fibre Roof Board 6.4 (1/4) 1.570 1800
USG (CGC) SecureRock Securerock Gypsum Fibre Roof Board 9.5 (3/8) 1.960 1800
USG (CGC) SecureRock Securerock Gypsum Fibre Roof Board 12.7 (1/2) 2.760 1800
USG (CGC) SecureRock Securerock Gypsum Fibre Roof Board 15.9 (5/8) 3.200 1800
USG (CGC) SecureRock Securerock Glass-Mat Roof Board 6.4 (1/4) 1.200 700-1000
USG (CGC) SecureRock Securerock Glass-Mat Roof Board 12.7 (1/2) 2.000 700-1000
USG (CGC) SecureRock Securerock Glass-Mat Roof Board 15.9 (5/8) 2.700 700-1000

Accepted Materials

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