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US 7,781,046 B2Granted
Shingle with reinforcement layer
AssigneeCertainTeed Corporation
InventorsHusnu M. Kalkanoglu, Stephen A. Koch
Life of this patent
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Abstract
A shingle and a method of making it is provided in which the rear surface of the shingle is provided with an attached reinforcement layer through which fasteners may be applied when the shingle is applied to a roof.
Claims9
A shingle having front and rear surfaces, a width defined by upper and lower edges and a length defined by right and left edges, comprising:
- (a) a base layer of mat having front and rear surfaces;
- (b) a coating of asphaltic material on both front and rear surfaces of the mat;
- (c) coatings of granular material on both front and rear surfaces and adhered thereto, which, together with said base layer of mat and coatings of asphaltic material comprise a first thickness layer;
- (d) a longitudinal fastening zone between right and left shingle edges, generally intermediate said upper and lower edges;
- (e) a generally longitudinal reinforcement second thickness layer of a substantially thinner dimension than said first thickness layer, adhered to said shingle and extending at least substantially between right and left edges of the shingle;
- and
- (f) said reinforcement layer extending at least partially into the fastening zone.
4 more elements
A method of making a shingle having front and rear surfaces, a width defined by upper and lower edges and a length defined by right and left edges, comprising:
- (a) providing a base layer of mat having front and rear surfaces;
- (b) providing a coating of asphaltic material on both front and rear surfaces of the mat;
- (c) providing coatings of granular material on the asphaltic material on both front and rear surfaces;
- (d) providing a longitudinal fastening zone between right and left shingle edges, generally intermediate said upper and lower shingle edges;
- (e) providing a generally longitudinal reinforcement layer adhered to the rear surface of the shingle, against the outer surface of the granular material on the surface thereof, extending at least substantially between right and left edges of the shingle;
- (f) having the reinforcement layer extend at least partially into the fastening zone;
- whereby
- (g) fasteners applied through the fastening zone will pass through the reinforcement layer.
5 more elements
Dependencies are inferred from the claim text.