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US 12,767,833 B2Granted
Roofing system and roofing shingle
AssigneeBmic LLC
InventorsMing-Liang Shiao, Olan T. Leitch, Ashley Alfonso
Life of this patent
Estimating the term…
Abstract
A roofing shingle includes an asphalt-filled layer on a surface of a substrate, and a plurality of coated granules on the asphalt-filled layer, where each of the coated granules of the plurality of coated granules has a base particle, and a coating including metal silicate and a reflective pigment, where the coated granules of the plurality of coated granules have an average L* value of less than 30, and a total solar reflectance of 20% to 40%.
Claims20
A roofing shingle, comprising:
- a substrate;
- an asphalt-filled layer on a surface of the substrate;
- and
- a plurality of coated granules on the asphalt-filled layer,
- wherein each of the coated granules of the plurality of coated granules comprises:
- a base particle having an average L* value of less than 30 and a total solar reflectance of at least 20%, and
- a coating on the base particle, the coating comprising:
- metal silicate, and
- a reflective pigment,
- wherein the coated granules of the plurality of coated granules have:
- an average L* value of less than 30, and
- a total solar reflectance of 20% to 40%.
9 more elements
A roofing shingle, comprising:
- a substrate;
- an asphalt-filled layer on a surface of the substrate;
- and
- a plurality of coated granules on the asphalt-filled layer,
- wherein each of the coated granules of the plurality of coated granules comprises:
- a base particle having an average L* value less than 30 and total solar reflectance of at least 20%, and
- a coating on the base particle, the coating comprising:
- metal silicate, and
- a reflective pigment,
- wherein the coated granules of the plurality of coated granules have:
- an average L* value of less than 30, and
- a total solar reflectance,
- wherein a ratio of the average L* value to the total solar reflectance is 75 to 105.
10 more elements
A system, comprising:
- a roof deck;
- and
- a first roofing shingle installed on the roof deck,
- wherein the first roofing shingle comprises:
- a substrate;
- an asphalt-filled layer on a surface of the substrate;
- and
- a plurality of coated granules on the asphalt-filled layer,
- wherein each of the coated granules of the plurality of coated granules comprises:
- a base particle having an average L* value less than 30 and total solar reflectance of at least 20%, and
- a coating, comprising:
- metal silicate, and
- a reflective pigment,
- wherein the coated granules of the plurality of coated granules have:
- an average L* value of less than 30, and
- a total solar reflectance, wherein a ratio of the average L* value to the total solar reflectance is 75 to 105.
13 more elements
Dependencies are inferred from the claim text.