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MB Section 6: Primary Membrane

MB-6.1 General

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Unless otherwise approved, SBS modified bituminous primary membrane shall be comprised of a two ply primary membrane consisting of a base sheet and a cap sheet. All SBS modified bituminous membrane components must be from the same manufacturer.

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MB Section 7: Membrane Flashing

MB-7.1 General

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To ensure protection against water entry into a newly installed roofing system, membrane flashing shall be installed at all primary membrane terminations (i.e. roof drains, curbs, roof/wall junctions, parapets etc.) as the application of the primary membrane progresses.

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MB Section 12: Maintenance and Modifications

MB-12.1 Membrane Recovery

MB-12.1.1 Membrane Recovery Requirements

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An existing conventional insulated modified bitumen roofing assembly with a current five (5) or ten (10) year

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