Sealing Attic Air Leaks

If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space.

Sealing attic air leaks.

Attics are like a superhighway for unwanted air and pests. Keep your home comfortable and critter free by air sealing attic hatch doors which can be real air leakers between a bedroom ceiling and the attic. These cutouts can leak small amounts of air if they are not sealed properly. Small air leaks into uninsulated attic space are a major source of heat loss in many homes.

Lights and fans require electricity to function therefore holes are cut into your ceiling s drywall. Again look for signs of dirty insulation to indicate air is moving through. If you have a finished attic seal behind the kneewalls finished rooms built into attics often have open cavities in the floor framing under the side walls or kneewalls. Even though insulation may be piled against or stuffed into these spaces they can still leak air.

Here s how to locate the leak spots and plug them without spending a lot of money. Chances are your ceiling has the equivalent of a 2 ft. Square hole that s acting like a chimney drafting expensive heated. Sealing duct leaks can improve the efficiency of your hvac system by around 20.

Attic air sealing is the priority your focus should be on the attic when you begin air sealing. Air sealing the attic perimeter air sealing the wall plate around the perimeter of your attic blocks air from escaping around the outer edges of your home. Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. Usually air leaks occur in these spaces.

While you are in the attic sealing air leaks look for any ductwork that may be up there.