FRX fire-retardant wood is made for balconies, stairways, covered walkways and other exterior applications.
May 1, 2002
FRX fire-retardant wood is made for balconies, stairways, covered walkways and other exterior applications. The pressure-treated wood qualifies for a Class 1 flame-spread rating when tested in accordance with ASTM E-84, the company says. It’s offered in Douglas fir, southern pine and western red cedar.
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