Air Sealing Attic

Air seal your attic for energy savings.

Air sealing attic.

That s an expensive proposition unfortunately because the work must usually be done by an asbestos abatement contractor. The attic is prone to holes and cracks at its access points. 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. While you are in the attic sealing air leaks look for any ductwork that may be up there.

Air sealing the wall plate around the perimeter of your attic blocks air from escaping around the outer edges of your home. 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. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11. Sealing duct leaks can improve the efficiency of your hvac system by around 20.

For more information on vermiculite and asbestos see. Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter. Other items like chimneys and recessed lights require special methods. Attic insulation air sealing experts enjoy a more comfortable healthy and efficient home with quality attic insulation services.

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 are not a do it yourself type of person there are plenty of contractors who are able to seal your attic. Before air sealing the attic. If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space.

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. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the. The attic is usually where you can find some of the largest opportunities to save energy in your home. Any hole in your ceiling is called a thermal bypass or air leak.

Lights fans plumbing stacks chimneys etc. We spray foam around most of these including around light fixtures bathroom fans open wall cavities and plumbing stacks. Let s review some of the most common spots in the attic that must be sealed.