This document summarizes the issue of structural damage to roof sheathing where fire retardant plywood roof sheathing, or FRT plywood was used on buildings. The material can degrade seriously due simply to high attic temperatures.
www.inspectapedia.com/structure/FRTplywood.htm www.inspectapedia.com/structure/FRTplywood.htm
The fire-retardant pressure treatment of FRT plywood is performed in ... such as a one-hour wall, to any significant extent; nor will FRT plywood take the ...
www.inspectapedia.com/structure/FTR-plywood.pdf www.inspectapedia.com/structure/FTR-plywood.pdf
Pyro-Guard and Exterior Fire-X fire retardant lumber and plywood are UL listed and have been issued an ESR confirming Code Compliance with the Building Codes. With a nationwide network of stocking distributors, our fire retardant products are readily available.
www.frtw.com/
Keywords: Degradation, strength, flammability, moisture, plywood, fire retardant, roof; June 1989; LeVan, Susan; Collet, Mary. 1989. Choosing and applying fire-retardant-treated plywood and lumber for roof designs.
www.fpl.fs.fed.us/documnts/fplgtr/fplgtr62.pdf
Thermal Degradation of Fire-Retardant-Treated Plywood Between 1985 and 1995, approximately 750,000 multifamily housing units experienced roofing problems due to fire-retardant-treated (FRT) plywood sheathing failure (Figs.
www.fpl.fs.fed.us/documnts/techline/thermal-degradation... www.fpl.fs.fed.us/documnts/techline/thermal-degradation-of-fire-retardant-treated-plywood.pdf
FirePRO fire retardant treated plywood is available in Douglas-Fir. ... However, ripping or milling of FirePRO FRT lumber is not permitted, as these operations could adversely affect the surface burning characteristics. FirePRO fire retardant treated plywood can be ripped as required.
www.westernwoodpreserving.com/firepro.htm www.westernwoodpreserving.com/firepro.htm
SaferWood Interior treated with Thermex-FR meets model code and industry standards for pressure impregnated fire-retardant lumber and plywood.
www.saferwood.com/products/interior.html
FRT (Fire Retardant Treated) plywood was and is still in many areas required for a fire break at the roofs for multi-family units, such as town homes, condos, and duplexes. A firebreak is required to prevent a fire from spreading from one unit to another.
www.mojo.biz/content/articles/fire-retardant.htm www.mojo.biz/content/articles/fire-retardant.htm
Everybody is gun shy around here of FRT plywood now but Blazeguard® removes the cloud of doubt surrounding a fire-rated roofing product. Weyerhaeuser gave the market a product customers can have confidence in.";
www.intlbarrier.com/products/blazeguard/testimonials.ht... www.intlbarrier.com/products/blazeguard/testimonials.htm
We provide a wide variety and selection of treated lumber and fire retardant plywood, including ACQ, borate (PacBor), CCA (where allowed), Dri-Con® or copper naphthenate. ... Wide Selection of ACQ Pressure Treated Lumber, Fire Retardant Plywood and More...
www.pacificwood.com/lumber-plywood.cfm www.pacificwood.com/lumber-plywood.cfm
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