Roofing Material and Related Method
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United States of America Patent
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Issued Date -
Oct 5, 2023
app pub date -
Aug 31, 2021
filing date -
Aug 31, 2021
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Abstract
A roofing material including a bitumen or other hot melt coating disposed across a base sheet of stitch-bonded fabric incorporating a blend of standard and bi-component polyester staple fibers stitch-bonded with a plurality of parallel stitch lines of stitching yarn running in the machine direction. The bicomponent fibers may be heat activated and cooled prior to application of the hot melt coating thereby providing dimensional stability.
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