Attic Insulation Air Sealing

Attic insulation and air sealing energy saving calculator learn how insulation and air sealing can save you energy and money by using our product payback tools below.

Attic insulation air sealing.

When you re done sealing your attic bypasses push the insulation back into place with an old broom handle or stick as you back out of the attic. Seal air leaks throughout the house focusing on leaks to the attic space through the foundation and around windows and doors to achieve a 25 reduction in total air infiltration. Your attic is vital to your home s overall comfort health and energy efficiency. Plus it prevents moisture build up inside your attic which improves your home s durability.

The number one prep step. An attic that doesn t meet insulation standards will lead to high heating and cooling costs uncomfortable rooms and uneven temperatures throughout your home. Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money. If your attic isn t properly air sealed and insulated you will experience uncomfortable rooms uneven temperatures throughout the home dust mold and expensive heating and cooling costs.

If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening. Attic insulation and air sealing will reduce ice dams from forming on your roof and water leaks into your home. Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. You can seal large stud cavities in your attic around dropped soffits under kneewalls and around recessed lights by stuffing insulation into a garbage bag and then plugging the cavity with it.

Imagine that you have a small boat and steered it into a cluster of jagged rocks. Add insulation to improve r values in attics floors above unconditioned basements and crawlspaces and basement walls to meet the 2012 international energy conservation code insulation requirements. Most people just add insulation to their attic this will not stop the escaping warm air. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots.

Add or remove insulation from the bag as necessary to ensure it fits. Attic air sealing is the priority your focus should be on the attic when you begin air sealing. When your attic lacks the proper attic insulation and air sealing the effects on your home s comfort and energy efficiency are significant. Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.

Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.