19+ Asphalt Shingles Wind Rating PNG
19+ Asphalt Shingles Wind Rating PNG. Workmanship and wind damage assessment for asphalt shingle roofs. Most shingles carry a wind resistance rating of 60 miles per hour as tested under astm 3161 or ul 997, while specialty shingles may be rated to as much as 130.
An asphalt shingle is a type of wall or roof shingle that uses asphalt for waterproofing.
Ultraviolet rays break down the asphalt used to bind the stone granules to the top surface and heat bakes the shingles causing the components to break down and the shingles to become brittle. Asphalt roof shingles are the most popular roofing material used on homes across north america, and with good reason. Today asphalt shingles have been improved so thoroughly that many receive the highest wind and impact ratings available for roofing materials. Asphalt shingles were invented in america in 1901 as a low cost and fire resistant alternative to the available roofing materials of the day.
Post a Comment for "19+ Asphalt Shingles Wind Rating PNG"