MADE IN U.S.A. The Battic Door Whole House Attic Fan Ceiling Shutter Seal is an energy-saving insulating seal for Whole House Attic Fans. It reduces air-leakage through the whole house attic fan saving the homeowner heating and cooling loss and energy costs. The Battic Door Whole House Attic Fan Ceiling Shutter Seal is easily installed over the fan louver from the house side in the fall and removed in the spring. No need to enter the attic to install the kit. By reducing the amount of heat and moisture leaking into your attic, the severity of ice dams and attic mold is greatly reduced! The back of the foam is reflective, reflecting attic heat away from house in summer and reflecting heating back into house in winter. Kits are easy to install. Simply Trim-It-To-Fit! Each kit includes a supply of white foam (3/16 in., thick R-8) and white Velcro. The flat-white colored foam has a textured finish and blends in with the ceiling. The foam is a solid-core that trims easily with scissors - it cannot unravel and does not have any frayed edges. May also be used to cover and seal AC Vents and Returns! INSTALLATION INSTRUCTIONS Step 1. Remove release liner from one side of Velcro and install Velcro onto perimeter of shutter. Step 2. Remove release liner from other side of Velcro and install foam into it leaving an overhang on all 4 sides. Step 3. Trim edges with scissors. INSTALLATION TIPS Do not trim foam before installation. Silver side of foam goes up, white side goes down. When removing cover, carefully separate Velcro at a corner and peel off. Avoid tearing the foam pad. Each kit includes enough Velcro to go around perimeter of foam: 14 ft Velcro with our small 3x4 ft kit, 16 ft Velcro with our medium 4x4 ft kit, 20 ft Velcro with our large 5x4 ft kit.
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