Air Seal The Attic Floor

If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the.

Air seal the attic floor.

Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11. By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home. Once you deal with the air up there this problem goes away with or without the insulation in the attic floor. Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money.

A home energy company has proposed a solution that involves sealing air leaks in the bedroom ceilings attic floor sealing around the chimney weatherizing the attic hatch insulating a few roof areas that the builders missed and adding cellulose to the rest of the attic to bring it up to r 60. Removal of vermiculite insulation should only be performed by. Image 1 of 4 intello is a membrane is a smart vapor retarder with a permeance that ranges from 13 2 perms to less than 0 13 perm. It made a lighter easier to.

Air sealing the attic floor after considering zip sheathing for the ceiling air barrier we settled on the intello membrane instead. By eric whetzel december 5 2017. While you are in the attic sealing air leaks look for any ductwork that may be up there. The number one prep step.

To get a better air seal. Sealing duct leaks can improve the efficiency of your hvac system by around 20. It really should be called spray foam insulation and air barrier. Spray foam insulation is an incomplete name.

A properly done spray foam job not only insulates but also greatly reduces the air leakage of. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter. Air seal your attic for energy savings.

Don t attempt any air sealing work in an attic insulated with vermiculite. Most people just add insulation to their attic this will not stop the escaping warm air. The attic is usually where you can find some of the largest opportunities to save energy in your home. If you have ducts that aren t sealed you are probably leaking a lot of conditioned air into your attic space.