Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Dissimilar adhesives
Patent
1989-11-13
1991-02-12
Thomas, Alexander S.
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Dissimilar adhesives
428141, 428143, 428195, 428206, 428352, 428354, 428489, B32B 712, B32B 516, B32B 2502
Patent
active
049923153
ABSTRACT:
A bituminous roofing membrane, and method of manufacture, is disclosed having a reinforcing mat sandwiched between top and bottom layers of a tacky polymer modified bitumen. The leading edge portion of the top layer is provided with a layer of roofing granules. A track of adhesive is provided on the roofing granules. The trailing edge portion of the top layer is provided with a layer of non-slip plastic film. A release sheet is applied to the bottom layer of the membrane to prevent engagement of the top and bottom layers with one another when the membrane is rolled for storage or shipment. In use, upon removal of the release sheet, the membrane is secured to the roof with the leading edge portion constituting a starter strip for receiving thereon the first row of roofing shingles, and the trailing edge portion constituting an underlayment for receiving thereon successive rows of roofing shingles.
REFERENCES:
patent: 4317853 (1982-03-01), Thiis-Evensen
patent: 4559267 (1985-12-01), Freshwater et al.
Bettoli Steven C.
Zickell Thomas J.
Fisher Julius
GAF Buildinhg Materials Corp.
Goldberg Jules E.
Thomas Alexander S.
Ward Joshua J.
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