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For more than 30 years, builders and homeowners have chosen Biewer Lumber’s Fire Retardant Treated Wood for its proven effectiveness in slowing the spread of flames and reducing smoke in the unfortunate event of a fire. For both interior and exterior applications, Biewer Lumber FRTW combines the flexibility and environmental advantages of wood with reliable fire protection.


Dricon FRTW – an economical choice for framing, roofs and other interior applications in both commercial and residential buildings.


FRX® exterior fire retardant treated (FRT) wood – reduces flame spread and smoke development for applications directly exposed to the weather.

LP FlameBlock

LP® FlameBlock® Fire-Rated OSB Sheathing offers impressive structural strength and remarkable burn-through fire resistance.