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The fireproofing of wood utilizes a fire retardant chemical that remains stable in high temperature environments. The fire retardant is applied under pressure at a wood treating plant like the preservatives described above, or applied as a surface coating. In both cases, treatment provides a physical barrier to flame spread.
For the most part, burned homes will likely be constructed to the newer codes, which require structures in at-risk zones to be built with fire-resistant materials, such as retardant-treated wood ...
Fire-retardant materials should not be confused with fire-resistant materials. A fire resistant material is one which is designed to resist burning and withstand heat. An example of a fire-resistant material is one which is used in bunker gear worn by firefighters to protect them from the flames of a burning building.
Modern pressure-impregnated fire retardant treated wood shakes and shingles can achieve a Class B fire rating, and can achieve a Class A rating when used in conjunction with specially designed roof assemblies. [7]
The wood was first treated with a catalyst and then soaked with furfuryl alcohol. However, the high cost of the two-stage impregnation prevented the production of furfurylated wood at market-demanded prices. [7] In 1997, Wood Polymer Technologies ASA in Norway was founded in an attempt to build a pilot plant for a single stage production ...
A MAFFS-equipped Air National Guard C-130 Hercules drops fire retardant on wildfires in Southern California Red-dyed line of fire retardant stands out clearly on this Arizona hill, to control the Alambre Fire. Early fire retardants were mixtures of water and thickening agents, and later included borates [12] and ammonium phosphates. [citation ...
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