Fiber-reinforced molded plastic roofing unit and method of making the same
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United States of America Patent
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Dec 26, 2000
Grant Date -
N/A
app pub date -
Aug 31, 1998
filing date -
Aug 31, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention is directed to a molded roofing unit formed of a fiber-reinforced plastic composition configured to simulate the appearance of a conventional roofing product, such as a cedar shake, slate, or tile roofing product. The roofing product is configured to provide consistent results in the molding process, low material and production costs, high rigidity and strength, impact resistance, stability in high wind conditions, and ease of installation. In a preferred embodiment, the fiber-reinforced plastic composition is comprised of a polyolefin plastic compounded with at least partially delignified agricultural our forestry fibers. The roofing units possess high impact resistance, wind resistance and at least a Class C residential fire rating.
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Cited Art Landscape
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