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Can fanfold siding underlayment be used in place of building wrap?

April 26, 2017building fanfold siding underlayment Used Wrap

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Can fanfold siding underlayment be used in place of building wrap?

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GreenGuard siding underlayments are in compliance with the ICC-ES “Acceptance Criteria for Foam Plastic Sheathing Panels Used as Weather–resistive Barriers” (AC71). This means that GreenGuard fanfold siding underlayments may be used in either new or retrofit construction applications without an additional water-resistive barrier (felt building paper or building wrap), when they are installed in strict accordance with the installation instructions.