Demystifying fire-retardant treated wood specifications
Construction Specifier
NOVEMBER 27, 2021
ft) flame under controlled conditions of draft and temperature onto the surface of a 7.4-m Field cutting across the grain (cut-to-length) is permitted after treatment without field treatment of cut ends. Fire performance is evaluated using UL 723, Standard for Test for Surface Burning Characteristics of Building Materials. IBC 2018 Ed.
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