Sealing Attic Air Leaks

Here s how to locate the leak spots and plug them without spending a lot of money.

Sealing attic air leaks.

Again look for signs of dirty insulation to indicate air is moving through. When the furnace or air conditioner is on check for air leaks around the duct connections with your hand a lit incense stick or a thing piece of toilet paper. Use mastic sealant or aluminum foil tape not duct tape to seal all of the duct connections. Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter.

By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home. 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. Attic air sealing is the priority your focus should be on the attic when you begin air sealing. 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. The attic is usually where you can find some of the largest opportunities to save energy in your home. Imagine that you have a small boat and steered it into a cluster of jagged rocks. Square hole that s acting like a chimney drafting expensive heated.

Attics are like a superhighway for unwanted air and pests. Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. Air sealing the most common attic air leaks electrical plumbing and hvac contractors use your attic to conceal the wires pipes and ducts that comprise the mechanical systems in your home. Small air leaks into uninsulated attic space are a major source of heat loss in many homes.