AC188 Roof Underlayments—Approved February 2012, editorially revised June 2020 (PDF Download)

Item #: AC188 6-2020
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AC188 establishes guidelines for evaluation of membrane materials used as alternative roofing underlayment, either self-adhering or mechanically attached and installed over solid or closely spaced sheathing.

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Pages 4
Publisher ICC-ES
Language English
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