FIRE-RATED STRUCTURAL OSB PANELS WITH OVERLAID WATER-RESISTANT BARRIER
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United States of America
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Issued Date -
Mar 31, 2022
app pub date -
Sep 30, 2021
filing date -
Sep 30, 2021
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Abstract
A wood or engineered wood structural panel, such as, but not limited to, OSB (“oriented strand board”) or plywood, that is both fire-resistant and water resistant. The panel is factory-coated with a product that provides fire resistance. The treatment gives it a Fire-Resistant (FR) performance (for use in a one- or two-hour rated assembly). The panel also is overlaid or coated in a factory setting with a weather/water resistive barrier (WRB). The structural panel thus combines a fire-resistant structural sheathing and WRB product in one integrated panel produced at a factory prior for installation at a job site.
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