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BUR Section 4: Vapour Retarders

BUR-4.1 General

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ARCA Warranty Ltd. requires the use of a vapour retarder membrane for insulated conventional or combination design built-up roofing assemblies, when a Warranty Certificate is to be issued. When a complete roof system, including the existing

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BUR Section 9: Protected Membrane and Combination Designs

BUR-9.1 General

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A protected membrane roofing design is an insulated and ballasted roofing system in which the primary insulation is applied above the membrane and retained in place by ballast.

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BUR Section 10: Re-Roofing

BUR-10.1 General

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Re-roofing encompasses both primary membrane replacement and replacement of the entire roofing assembly above the structural deck.

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Due to the unique nature of re-roofing, relief

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Division 2: SBS Modified Bitumen Roofing

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Division 3: EPDM Roofing

Read more about Division 3: EPDM Roofing

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Re-Roofing Membrane Replacement CSA 123.21 Wind Tested Assemblies

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