Uncoated barrier material consisting of flame resistant, high intensity white Kraft paper, fiberglass yarn reinforcement and aluminum foil lamination. Scrim 5 x 5/sq. in. (2.5 x 2.5 cm) tridirectional pattern.
Application: Vapor sealing for foil faced insulation products
Thickness: 2.3 mils (58 μ) (exclusive of liner)
Widths: 2, 2½, 3, 4 inches (5.1, 6.4, 7.6, 10.2 cm)
Length: 50 yards (46 m) on 3 inch (7.6 cm) core