SHINGLES WITH INCREASED HYDROPHOBICITY
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United States of America
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N/A
Issued Date -
Jan 16, 2020
app pub date -
Apr 24, 2019
filing date -
Apr 24, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A shingle includes a substrate, a surface layer of granules, a backdust layer, an adhesive, and a hydrophobic material. Asphalt is applied to the substrate to form a first asphalt coating on the top or upper surface of the substrate and a second asphalt coating on the bottom or lower surface of the substrate. A surface layer of granules is embedded in the first asphalt coating. A backdust layer of particles is embedded in the second asphalt coating. A adhesive is disposed on the backdust layer. The hydrophobic material is applied to the adhesive.
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Family
International Classification(s)
Cited Art Landscape
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