This silverfoil tape is a 2 mil, alloy aluminum foil backing used with fiberglass duct-board to provide a dependable vapor barrier to the insulating system. It conforms to irregular surfaces such as FSK facings & blends with the basic facing pattern to provide a vapor barrier that assures integrity of the insulation system.
Standard roll length 50 yards.
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A polyethylene film meeting all requirements for use as bottom board by the mobile home industry. It has been solid-coated with a specially formulated high tech adhesive. Easily applied. This has the peel off backing! This is Not the economy grade! SDS