FIRE-RETARDANT-TREATED WOOD COMPOSITE PANELS FOR EXTERIOR APPLICATIONS OR WEATHER EXPOSURE DURING CONSTRUCTIONS
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United States of America Patent
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Nov 24, 2022
app pub date -
May 18, 2022
filing date -
May 18, 2022
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Abstract
A multi-layer fire-resistance treatment (FRT) panel for use as structural sheathing. The wood structural panel may be OSB or plywood, coated or treated during the manufacturing process with a product that provides fire resistance. The treatment may be integrated with the material forming the wood structural panel, or may be a coating layer applied to the mat or mat layer. A burn-through layer also may be applied. A protective layer comprising a resin-impregnated paper overlay may be applied on one or both sides of the panel.
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