Roofing Shingles, Tiles and Shakes
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United States of America Patent
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Issued Date -
Mar 11, 2021
app pub date -
Nov 16, 2020
filing date -
Dec 31, 2016
priority date (Note) -
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Abstract
The present disclosure relates generally to roofing elements and methods for making them. In one embodiment, the disclosure provides a roofing element in the form of a roofing shingle that includes a body of a foamed cured cross-linked polymer, the body having a top surface and a bottom surface, the body extending substantially in a plane and having a thickness in the range of 0.5 mm to 35 mm; and a layer of weather-resistant roofing granules disposed on and adhered at the top surface of roofing element. The roofing element can be made by providing a body of wet foamed curable composition, and allowing the curable composition to cure to provide the body of foamed cured cross-linked polymer.
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