1/4" Black Back Foil - 1.25 mm thick   

Our top quality, Venture brand foil. 36 yards long. 1.25mm thick. 1/4" wide. 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. 1/4" tape is popular for stained glass and slightly thicker glass.