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How well does HardieWrap Flashing and HardieWrap Flex Flashing stick to OSB?

April 26, 2017flashing Flex hardiewrap OSB stick

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How well does HardieWrap Flashing and HardieWrap Flex Flashing stick to OSB?

1 Answer

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HardieWrap Flashing and HardieWrap Flex Flashing adheres to OSB, provided the surface is dry, clean and free of waxes or oils. Because most OSB is dusty and waxy on the job site, we recommend but do not require that a primer adhesive be applied to the surface of the OSB to improve adhesion for the flashing to bond to. Refer to the HardieWrap Flashing Guide for further information about primers.