Heavy duty, high strength aluminum foil with specially formulated acrylic adhesive system. Materials are guaranteed to meet or exceed UL-181A-P and UL-181B-FX, assuring against flame conduction.
Applications: Vapor sealing sheet metal ducts; taping fiberglass and fibrous ductboard systems
Thickness: 4.0 mils (100 μ) (exclusive of liner)
Widths: 2½, 3 inches (6.4, 7.6 cm)
Length: 60 yards (55 m) on 3 inch (7.6 cm) core