Sealing Attic Air Leaks

Square hole that s acting like a chimney drafting expensive heated.

Sealing attic air leaks. 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. Lights and fans require electricity to function therefore holes are cut into your ceiling s drywall. These cutouts can leak small amounts of air if they are not sealed properly. Even though insulation may be piled against or stuffed into these spaces they can still leak air.

Attics are like a superhighway for unwanted air and pests. 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. If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space.

While you are in the attic sealing air leaks look for any ductwork that may be up there. When standing under your attic look at the ceiling and check where your light fixtures and fans are located. Usually air leaks occur in these spaces. Chances are your ceiling has the equivalent of a 2 ft.

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. 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. Small air leaks into uninsulated attic space are a major source of heat loss in many homes. Imagine that you have a small boat and steered it into a cluster of jagged rocks.

Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners.