Method of making a thick shingle

Details Method of making a thick shingle Method of making a thick shingle

1992-04-06

1993-08-03

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

523099, 52558, 52560, 156 79, 156182, 156250, B32B 3106, B32B 3118, E04D 128

Patent

active

052325300

ABSTRACT:
An approved roofing shingle (10) and a method for its manufacture, are disclosed. The shingle incorporates an upper layer (12) of conventional asphaltic composite roofing material and a lower layer (14) of a polymer foam having a thickness between 1/16 inches and one inch. The foam effectively thickens the shingle to give a layered appearance to a roof using the shingle. The polymer foam can be applied by a free blown or froth process, or preformed and adhered to the composite material sheet by adhesive techniques.

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