Patent ID: 9339997
Filing Date: 2016-05-17
CPC Classification: B28B,B32B,B44C,G09F,Y10T

Claim Text:
1. A method of adhering a composite film to a masonry substrate having an irregular surface, the method comprising steps of: positioning an adhesive-backed composite film against the irregular surface of the masonry substrate, wherein the composite film comprises two or more polymer layers, with at least a first polymer layer having a glass transition temperature of at least about 40° C., and with at least another polymer layer having a glass transition temperature of less than the glass transition temperature of the first polymer layer, and wherein one of the polymer layers is substantially transparent to visible light; heating the polymer film composite to the glass transition temperature of at least the first polymer layer to form a heated composite film; and pressing the heated composite film against the irregular surface to bring the adhesive into intimate contact with the irregular surface.