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Minimum fire rating issued by the Underwriters Laboratories for roofing materials.

A man-made or machine-made clay tile used to finish a floor or wall. Generally used in bathtub and shower enclosures

One of a series of parallel framing members used to support ceiling loads and supported in turn by larger beams,

A pesticide that is forced into wood under high pressure to protect it from termites, other wood boring insects, and

(1) A flexible material used to seal a gap between two surfaces, for example between pieces of siding or the

A window with hinges on one of the vertical sides and swings open like a normal door.