K-Flex Gray Duct Liner

K-Flex Gray Duct Liner Insulation is an environmentally friendly, CFC and HCFC-free, closed-cell, flexible elastomeric thermal and acoustical insulation. It is gray in color and supplied as rolls up to 60" wide in 1/2" and 1" thickness*. It is supplied with S2S™ (Skin 2 Sides - plain) or with a specially formulated scrim-reinforced acrylic adhesive and tear-resistant release liner on the opposite side. K-Flex Gray Duct Liner is non-porous, non-fibrous and resists mold growth. In addition to its closed cell structure, K-Flex Gray Duct Liner is protected by Bio-Guard™. The active ingredient in Bio-Guard is registered with the EPA. It is ideal for high humidity environments. K-Flex Gray Duct Liner is also GREENGUARD approved for use in Schools and children as well as listed for mold and mildew.