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Keasbey and Mattison Company was a manufacturing company that produced asbestos-related building products, including insulation and shingles. Founded in 1873 by Henry Griffith Keasbey (1850-1932) and Richard Van Zeelust Mattison (1851-1935), the company moved to Ambler, Pennsylvania , in 1881.
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 European Union has banned all use of asbestos, including asbestos roof shingles ...
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.
Asbestos (/ æ s ˈ b ɛ s t ə s, æ z-,-t ɒ s / ass-BES-təs, az-, -toss) [1] is a group of naturally occurring, toxic, carcinogenic and fibrous silicate minerals.There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) [2] being composed of many microscopic "fibrils" that can be released into ...
It can also be found in insulation, siding, roof gutters, and cement wallboard. The more prevalent transite found in wall construction and roofing tiles for example, will last anywhere from 50 years to over 100 years. [citation needed] The use of asbestos, a proven carcinogen, to manufacture transite was phased out in the 1980s.
Here’s everything you need to know about the top 11 types of exterior house siding, including appearance, cost, maintenance, and more pros and cons from experts
In May 1997, Owens Corning acquired Fibreboard Corporation, a vinyl siding and other industrial material manufacturer, [21] which became a wholly owned subsidiary of Owens Corning. [11] The company was ordered to pay $5 million to an asbestos victim in 1997, making it the highest jury verdict in the history of the United States for a single non ...
Shingles historically were called tiles, and shingle was a term applied to wood shingles, [1] as is still mostly the case outside the US. Shingles are laid in courses, usually with each shingle offset from its neighbors. The first course is the starter course and the last being a ridge course or ridge slates for a slate roof.