Patent ID: 8661759
Filing Date: 2014-03-04
Classification: E04D,Y10T

Abstract:
1. A laminated shingle comprising anterior and posterior shingle layers, adhered together, each having a front surface and a rear surface and comprising bitumen-coated fiberglass webs: (a) with the front surface of the anterior layer having a tab portions normally exposed when in use on a roof; (b) with the front surface of the anterior layer having a butt portion normally unexposed when in use on a roof; (c) with the rear surface of the anterior layer having a first zone behind said tab portion and a second zone behind said butt portion; (d) with the anterior layer having a front surface of granules of a first size range of about 0.3 mm to about 3 mm on at least the tab portion of the front surface of the anterior layer adhered to a first adhesive coating of the bitumen-coated fiberglass web, wherein the front first layer of granules has characteristics selected from any of the following: (e) with the rear surface of the fiberglass web of the anterior shingle layer having a thin second adhesive coating of a thickness of about ¼ to about ⅓ of the average size of granules of clause (d); (f) a layer of fine granules of a second size range, smaller than said first size range and of a size range of about 0.05 mm to about 0.6 mm, on the rear surface of the fiberglass web of the anterior shingle layer, embedded in the thin second adhesive, with the layer of fine particles being comprised of any of the group of: (g) wherein there are slots between tab portions of the anterior shingle layer; (h) wherein the posterior shingle layer has a front surface comprised of granules of a size range of clause (d); (i) wherein the rear surface of the fiberglass web of the posterior shingle layer also has a thin second adhesive coating of a thickness of the adhesive coating of clause (e); (j) wherein a layer of fine granules of a size range of the granules of clause (f) are adhered to the rear surface of the posterior shingle layer; and (k) wherein the anterior and posterior shingle layers are adhered together by any of the following means: