Patent ID: 6044608
Filing Date: 2000-04-04
Classification: E04D

Abstract:
A multi-layer laminated shingle comprising:(a) a base layer of shingle having a butt zone and a tab zone, upper and lower and side edges and top and bottom surfaces, with bituminous coated web between the surfaces, and with granules applied to the top surface thereof;(b) a secondary layer of shingle having a butt zone and tab zone, upper and lower and side edges and top and bottom surfaces, with bituminous coated web between the surfaces and with granules applied to the top surface thereof; and(c) means laminating said layers together, with granules of the base layer sandwiched between laminated layers, with the butt zone of the base layer disposed against the bottom surface of the tab zone of the secondary layer and with the tab zone of the base layer disposed against the bottom surface of the butt zone of the secondary layer.