Manufacturers:GAF Canada ULC

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Manufacturers:GAF Canada ULC

Division C - Accepted Materials

GAF Canada ULC
Associate Member (Manufacturer)

Materials Listed by Category

The information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications, nor is this material recommended or endorsed by the Guarantor. The preparation of a detailed specification is the responsibility of the Design Authority.

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Country of Origin
Country of Manufacture
Year First Installed
Notice and Disclaimer: Technical Data Sheets for SBS and APP Polymer-modified bituminous membranes

Bituminous roofing membranes are governed by RGC Acceptance Criteria RGC ACWP-MOD (applicable to membranes accepted after July 1, 2023). The CSA Standard for these membranes, CSA A123.23 "Product specification for polymer modified bitumen sheet, prefabricated and reinforced", forms the backbone of the RGC Acceptance Criteria and has replaced the older CGSB Standard CGSB 37-GP-56M, which was withdrawn in 2015.

The "British Columbia Building Code" (2024) references the CSA A123.23 Standard in both Part 5 and Part 9 of Division B. The Standard is also published in the National Building Code of Canada (2020), and the City of Vancouver Building Bylaw (2024).

Not all manufacturers of SBS and APP polymer-modified membranes publish technical data sheets that fully align with the CSA Standard. Therefore, the reader must verify this information independently of the RGC, to the reader's own satisfaction. Consult the local manufacturer's representative through the "Find a Member" page on the RCABC association website.

Waterproofing Roofs

SBS Polymer-Modified Bituminous Membranes (Cont.)

(See the membrane tables in Division C)

APP Polymer-Modified Bituminous Membranes

(See the membrane tables in Division C)

TPO Membranes

(See the membrane tables in Division C)

EverGuard Freedom HW TPO
EverGuard TFB TPO
EverGuard TSR TPO

Water-shedding Roofs

Underlayment/Eave Protection (Asphalt Shingles/Cedar/Tiles)

Mechanically Fastened Materials
Deck Armor
Tiger Paw
Self-adhered Materials
Weather Watch

Underlayment/Eave Protection (ASM)

Mechanically Fastened Materials
Deck Armor
Self-adhered Materials

Asphalt Shingles

Country Mansion
Grand Canyon
Grand Sequoia
Timberline HDZ
Timberline UHDZ
Royal Sovereign
Timberline Natural Shadow
Timberline Cool Series


© RCABC 2024
No reproduction of this material, in whole or in part, is lawful without the expressed permission of the RCABC Guarantee Corp.