Ontario Building Code - Section 907
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2024 Building Code Compendium 9.26.2.1. Division B – Part 9 197 Table 9.26.2.1.-A Materials for Preparation of the Substrate for Roofing Forming Part of Sentence 9.26.2.1.(1) Type of Material Standards Sheathing Membranes CAN/CGSB-51.32-M, “Sheathing, Membrane, Breather Type” Primers CGSB 37-GP-9Ma, “Primer, Asphalt, Unfilled, for Asphalt Roofing, Dampproofing and Waterproofing” Table 9.26.2.1.-B Roofing Materials Forming Part of Sentence 9.26.2.1.(2) Type of Roof Covering Standards Built-up roofing (BUR) ASTM D3019 / D3019M, “Standard Specification for Lap Cement Used with Asphalt Roll Roofing, Non-Fibered and Fibered” (1) ASTM D4479 / D 4479M, “Standard Specification for Asphalt Roof Coatings - Asbestos-Free” CAN/CGSB-37.50-M, “Hot-Applied, Rubberized Asphalt for Roofing and Waterproofing” CGSB 37-GP-56M, “Membrane, Modified, Bituminous, Prefabricated, and Reinforced for Roofing” CAN/CSA-A123.2, “Asphalt-Coated Roofing Sheets” CSA A123.3, “Asphalt Saturated Organic Roofing Felt” CAN/CSA-A123.4, “Asphalt for Constructing Built-Up Roof Coverings and Waterproofing Systems” CSA A123.17, “Asphalt Glass Felt Used in Roofing and Waterproofing” CSA A123.23, “Product specification for polymer-modified bitumen sheet, prefabricated and reinforced” Single-ply membranes ASTM D4637 / D4637M, “Standard Specification for EPDM Sheet Used In Single-Ply Roof Membrane” ASTM D4811 / D4811M, “Standard Specification for Nonvulcanized (Uncured) Rubber Sheet Used as Roof Flashing” ASTM D6878 / D6878M, “Standard Specification for Thermoplastic Polyolefin Based Sheet Roofing” CAN/CGSB-37.54, “Polyvinyl Chloride Roofing and Waterproofing Membrane” CAN/CGSB-37.58-M, “Membrane, Elastomeric, Cold-Applied Liquid, for Non- Exposed Use in Roofing and Waterproofing” Shingles, shakes, tiles, panels CSA A123.5, “Asphalt shingles made from glass felt and surfaced with mineral granules” CAN/CSA-A220 Series, “Concrete Roof Tiles” CSA O118.1, “Western Red Cedar Shakes and Shingles” CSA O118.2, “Eastern White Cedar Shingles” Eave protection CAN/CSA-A123.16, “Asphalt-coated glass-base sheets” CSA A123.22, “Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection” Flashing ASTM D4811 / D4811M, “Standard Specification for Nonvulcanized (Uncured) Rubber Sheet Used as Roof Flashing” Notes to Table 9.26.2.1.-B: (1) For the purpose of this Subsection, ASTM D3019 / D3019M shall only apply to the non-fibered and non-asbestos-fibered types (I and III) of asphalt roll roofing.
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