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Where are the big air leaks in my attic? Follow

Typically, the biggest attic leaks are found where the walls meet the attic floor, above drop ceilings and overhangs, and behind attic walls. Look for dirty or discolored insulation to find the leaks this indicates that air is moving through the insulation material. There are lots of other "holes" in the attic ceiling that should also be sealed, such as: recessed "can" lights, plumbing stacks, electrical wires, attic hatches or doors, around chimneys or flues, and duct chases. Visit ENERGY STAR Home Sealing for more information.

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