Wall Overlays

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Wall 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.

Wall Overlays

Wall overlays are materials installed over existing wall surfaces, to render the surface suitable for waterproofing materials. 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 Product Type Thickness mm (in.) Weight (lb/square foot)
Plywood Plywood overlay 12.7 (1/2") Variable
Georgia-Pacific Canada Ltd. DensDeck Roofboard Moisture-resistant gypsum core board 6.4 (1/4") 1.100
Georgia-Pacific Canada Ltd. DensDeck Roofboard Moisture-resistant gypsum core board 12.7 (1/2") 1.950
Georgia-Pacific Canada Ltd. DensDeck Roofboard Moisture-resistant gypsum core board 15.9 (5/8") 2.500
Georgia-Pacific Canada Ltd. DensDeck® Prime with EONIC Roof Board Moisture-resistant gypsum core board 6.4 (1/4) 1.150
Georgia-Pacific Canada Ltd. DensDeck® Prime with EONIC Roof Board Moisture-resistant gypsum core board 12.7 (1/2) 1.975
Georgia-Pacific Canada Ltd. DensDeck® Prime with EONIC Roof Board Moisture-resistant gypsum core board 15.9 (5/8) 2.550
USG (CGC) SecureRock Securerock Gypsum Fibre Roof Board Moisture-resistant gypsum core board 6.4 (1/4) 1.570
USG (CGC) SecureRock Securerock Gypsum Fibre Roof Board Moisture-resistant gypsum core board 9.5 (3/8) 1.960
USG (CGC) SecureRock Securerock Gypsum Fibre Roof Board Moisture-resistant gypsum core board 12.7 (1/2) 2.760
USG (CGC) SecureRock Securerock Gypsum Fibre Roof Board Moisture-resistant gypsum core board 15.9 (5/8) 3.200
USG (CGC) SecureRock Securerock Glass-Mat Roof Board Moisture-resistant gypsum core board 6.4 (1/4) 1.200
USG (CGC) SecureRock Securerock Glass-Mat Roof Board Moisture-resistant gypsum core board 12.7 (1/2) 2.000
USG (CGC) SecureRock Securerock Glass-Mat Roof Board Moisture-resistant gypsum core board 15.9 (5/8) 2.700
Hal Industries Inc. Perma-Board Asphaltic core board 4.5 (3/16) N/A
IKO Industries Ltd. Protecto Board Asphaltic core board 4.5, 6.4, 12.7
(3/16, 1/4, 1/2)
N/A
IKO Industries Ltd. Protectobase 95 Asphaltic core board 4.5 (3/16) N/A
IKO Industries Ltd. Protectobase 180 Asphaltic core board 4.5 (3/16) N/A
Polyglass USA, Inc. Polyboard E (4.5 mm and 6 mm) - conditional approval; call for information Asphaltic core board 4.5 (3/16), 6 (1/4) N/A
Polyglass USA, Inc. Polyboard W (4.5 mm) - conditional approval; call for information Asphaltic core board 4.5 (3/16) N/A
Soprema Inc. Sopraboard Asphaltic core board 4.5, 6.3 (3/16, 1/4) N/A

Accepted Materials

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