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Effectiveness of Fire-retardant Treatments for Shingles After 10 Years of Outdoor Weathering by LeVan, Susan, 1950- is a nonfiction available to read on EtoBox.

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Some building codes require wood shingles to be fire-retardant treated. Because exterior fire-retardant treatments are subjected to weathering, treatment durability and leach resistance are critical for insuring adequate fire protection. We examined the effectiveness of various fire-retardant treatments on wood after 0, 2, 5, and 10 years of outdoor exposure. We used a Class C burning-brand test (ASTM E 108) and a Schlyter flamespread test to evaluate effectiveness. Most shingle treatments evaluated were either pressure impregnated or coated at the Forest Products Laboratory; however, a commercial treatment was used as a control. After 10 years of exposure, most treatments passed the Class C burning-brand test, but lost considerable effectiveness in the Schlyter test method. The commercial treatment was the most effective after 10 years of weathering

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Author

LeVan, Susan, 1950-

Publisher

U.S. Dept. of Agriculture, Forest Service, Forest Products Laboratory, 1986.

Published

1986

Language

EN

Category

nonfiction