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Asbestos cement, genericized as fibro, fibrolite (short for "fibrous (or fibre) cement sheet"; but different from the natural mineral fibrolite), or AC sheet, is a composite building material consisting of cement and asbestos fibres pressed into thin rigid sheets and other shapes. Invented at the end of the 19th century, [1] the material was ...
Johns Manville. Johns Manville is an American company based in Denver, Colorado, that manufactures insulation, roofing materials and engineered products. For much of the 20th century, the then-titled Johns-Manville Corporation was the global leader in the manufacture of asbestos -containing products, including asbestos pipe insulation, asbestos ...
Tile roofing traditionally consists of locally available materials such as clay, granite, terracotta or slate, though many modern applications contain concrete. Imbrex and tegula, style dating back to ancient Greece and Rome. Monk and nun, a style similar to Imbrex and tegula, but basically using two Imbrex tiles. Dutch roof tiles, Netherlands.
The mineral asbestos is subject to a wide range of laws and regulations that relate to its production and use, including mining, manufacturing, use and disposal. [1][2][3] Injuries attributed to asbestos have resulted in both workers' compensation claims and injury litigation. [4][5] Health problems attributed to asbestos include asbestosis ...
Asbestos insulating board (AIB), also known by the trade names Asbestolux and Turnabestos, is an asbestos -containing board formerly used in construction for its fire resistance and insulating properties. [1] These boards were commonly used in the United Kingdom from the 1950s until production ended in 1980. AIB is 16-35% asbestos, typically a ...
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Asbestos shingles are roof or wall shingles made with asbestos cement board. They often resemble slate shingles and were mass-produced during the 20th century as these were more resilient to weathering than traditional slate shingles for the reason that slate is very soft and prone to weathering. Due to health risks of asbestos products, the ...
Bituminous waterproofing. Bituminous waterproofing systems are designed to protect residential and commercial buildings. Bitumen (asphalt or coal-tar pitch) is a material made up of organic liquids that are highly sticky, viscous, and waterproof. [1] Systems incorporating bituminous-based substrates are sometimes used to construct roofs, in the ...