Roofing material
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United States of America Patent
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-
Jan 29, 2002
Grant Date -
Dec 27, 2001
app pub date -
Jan 8, 1999
filing date -
Jan 8, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Roofing material is improved by adhering to at least part of its lower surface a backing material consisting essentially of a fiber component and a binder component. Acceptable fibers include polyester, glass and woodpulp. In a preferred embodiment, the fiber component is a mixture of polyester and glass fibers and the binder is a latex binder.
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