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D-Blaze Certified for 2-Hour Wall Assembly

Design No. V335, available at UL’s Online Certifications Directory, will allow architects and specifiers to design FRTW walls with brick, stucco, fiber cement, and other approved UL exterior facings.

Two-hour bearing wall assemblies utilizing Viance’s D-Blaze fire retardant treated lumber and plywood have received a new Underwriters Laboratories (UL and ULC) certification listing. Design No. V335 was certified under the ANSI/UL 263 standard for the U.S. and CAN/ULC-S101 for Canada earning a two-hour fire resistance rating for walls exposed to fire on the interior face.

Design No. V335, available at UL’s Online Certifications Directory, will allow architects and specifiers to design FRTW walls with brick, stucco, fiber cement, and other approved UL exterior facings.

Ideal for sensitive environments such as schools, healthcare facilities, hotels and multi-family construction projects, D-Blaze fire-retardant treated wood is effective at controlling the spread of flame and smoke, increasing evacuation time, and potentially reducing damages and repair costs caused by fire.
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Publisher of two monthly magazines for LBM dealers and distributors—The Merchant Magazine, founded in 1922 to serve the western U.S., and Building Products Digest, formed in 1982 to serve east of the Rockies.

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