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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3M HI-Strength 90 Inverted Spray Adhesive allows up to 10 minutes to make a bond. Allows upside down spray capabilities. Two actuators: one for the standard pattern and one for wide spray pattern. The 90 high strength adhesive is formulated for strength and quick set up. High-temperature resistance. Sprays right where you want it, no misting. Strong bonding for insulation and foam. 17.6 oz. cans. SDS