Allweather Wood FIRE Series

Nothing presents a more immediate threat to wood than fire. Even when sprinklers are mandatory, the use of Fire Retardant Treated Wood (FRTW) can further increase safety and reduce fire insurance rates. Allweather Wood FIRE Series wood is pressure impregnated deep into the wood, unlike coatings, which only provide superficial protection.

Our customer’s safety and well-being are of primary importance to Allweather Wood. For this reason, we offer three varieties of FRTW.

D-Blaze®

D-Blaze® Fire Retardant Treated Wood (FRTW) is suitable for fire rated wall assemblies and interior applications where fire retardant construction materials are specified or required by building codes. Highly effective in controlling the spread of flame and the smoke development caused by fire, D-Blaze FRTW shows no evidence of significant progressive combustion after 30 minutes exposure to flame, thereby increasing the time for people to evacuate and reach safety.

Allweather Wood pressure-impregnates D-Blaze into lumber and plywood in the treatment process – it is not a spray on. As such, the treatment does not flake or chip off over time. Unlike ground contact, fire retardant treated wood is not incised prior to treatment. During the treatment process a red dye is added to identify the D-Blaze product from non-treated wood.

To help you choose between the different options for interior rated FRTW products, we have provided a helpful Comparison Chart.

To help architects, builders, contractors, designers, and other specifiers better understand D-Blaze, an AIA HSW CE Hour course entitled, Fire Retardant Treated Wood (FRTW) For Commercial and Residential Structures, is available through Ron Blank & Associates.

Other FRTW Options

Pyro-Guard® and Exterior Fire-X fire retardant lumber and plywood are UL listed and have been issued an ESR confirming compliance with building codes. Pyro-Guard should not be confused with fire-retardant surface coatings, because test requirements and code definitions are entirely different for each. Pyro-Guard is pressure impregnated and carries a flame spread rating derived by Underwriters Laboratories in the 30 minute ASTM E-84 flame spread test, while coatings are sprayed, brushed or rolled on the surface and flame tested for only 10 minutes. Fire retardant coated wood is superficially protected at best, and it does not meet code requirements for structural uses.

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Allweather Wood 815 S 32nd Street
PO Box 227
Washougal, WA 98671

(800) 777 8134 – Main Number
(360) 835 3692 – Fax

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