7/32" Black Back Foil - 1.25 Millimeter Thick 

Our top quality, Venture brand foil. 36 yards long. 1.25mm thick. 7/32" wide. Standard thickness and width for working with stained glass. Use black backed foil on clear and transparent glass, mirrors and bevels. Its black, non-reflective backing matches well with black patina. Non-reflective internal foil lips become nearly invisible.  High tack, heat resistant acrylic adhesive on ductile copper foil.