Sealing Attic Air Leaks

It s usually the hardest place to air seal because the cramped space underneath the eaves where the roof rafters rest on the outer wall makes it hard to move your hands and head.

Sealing attic air leaks.

While you are in the attic sealing air leaks look for any ductwork that may be up there. Lights and fans require electricity to function therefore holes are cut into your ceiling s drywall. 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.

Imagine that you have a small boat and steered it into a cluster of jagged rocks. Small air leaks into uninsulated attic space are a major source of heat loss in many homes. Square hole that s acting like a chimney drafting expensive heated. If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space.

Usually air leaks occur in these spaces. 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. Even though insulation may be piled against or stuffed into these spaces they can still leak air. Chances are your ceiling has the equivalent of a 2 ft.

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. Here s how to locate the leak spots and plug them without spending a lot of money. Attics are like a superhighway for unwanted air and pests.

When standing under your attic look at the ceiling and check where your light fixtures and fans are located.