Allweather Wood fire retardant treated plywood is treated with the same preservatives as Allweather Wood fire retardant treated lumber and meets the same flame spread and smoke developed index of 25 or less under ASTM E84. The product meets all U.S. major model building code requirements. Allweather Wood fire retardant treated plywood is backed by a 50-Year Limited Warranty.

Uses Floor sheathing, roof and wall sheathing, sub flooring, steps and stairways, 1 & 2 Hour Wall Assemblies, platforms, stages, mezzanines, partition walls, interior partitions, backing for electrical panels

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