Air Sealing In The Attic

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

Air sealing in the attic.

Any hole in your ceiling is called a thermal bypass or air leak. Air seal your attic for energy savings. Attic air sealing is the priority. 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.

Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11. Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. Sealing duct leaks can improve the efficiency of your hvac system by around 20. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the.

Lights fans plumbing stacks chimneys etc. Most people just add insulation to their attic this will not stop the escaping warm air. We spray foam around most of these including around light fixtures bathroom fans open wall cavities and plumbing stacks. 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 you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space. Imagine that you have a small boat and steered it into a cluster of jagged rocks. Home comfort problems often start in the attic where poor insulation and numerous air leaks create problems for your heating and cooling system and make your home uncomfortable. Other items like chimneys and recessed lights require special methods.