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Asphalt roll roofing or membrane is a roofing material commonly used for buildings that feature a low sloped roof pitch in North America.The material is based on the same materials used in asphalt shingles; an organic felt or fiberglass mat, saturated with asphalt, and faced with granular stone aggregate.
GAF is an American manufacturing company based in Parsippany, New Jersey. [1] Operating as a subsidiary of Standard Industries, GAF is the leading roofing and waterproofing manufacturer in North America, with 30 locations across the U.S. GAF produces both commercial and residential roofing products, as well as pavement coatings. John Altmeyer ...
Asphalt shingles on a home in Avalon, New Jersey. Two types of base materials are used to make asphalt shingles, organic and fiberglass.Both are made in a similar manner, with an asphalt-saturated base covered on one or both sides with asphalt or modified-asphalt, the exposed surface impregnated with slate, schist, quartz, vitrified brick, stone, [6] or ceramic granules, and the under-side ...
Polyester mat is weaker and less chemically stable than fibreglass but because it is cheap is gaining market share. Polyester mat is primarily used with the more flexible modified-bitumen felt products. Asbestos mat was the first inorganic base material but was outlawed in the 1980s for health reasons but is still in use on some buildings.
Bitumen emulsion applied to polypropylene geotextiles was reported to have been used in a Nevada heap leach mining installation as early as 1973. Published literature describing the modern development of the bituminous geomembrane can be traced back to the first double-liner system conceived of in 1974 by geosynthetics pioneer, J.P. Giroud .
Asphalt batch mix plant A machine laying asphalt concrete, fed from a dump truck. Asphalt concrete (commonly called asphalt, [1] blacktop, or pavement in North America, and tarmac or bitumen macadam in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of embankment dams. [2]