Demystifying fire-retardant treated wood specifications
Construction Specifier
NOVEMBER 27, 2021
By specifying FRTW manufacturers who are listed in the UL Online Certification Directory for Treated Lumber (BPVV) and Treated Plywood (BUGV), specifiers are ensured only those species of lumber and plywood eligible for listing in the UL Building Materials Directory will be provided. Type I: 111,484-m2 (1.2
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