Air Seal The Attic Floor

Spray foam insulation is an incomplete name.

Air seal the attic floor.

Air seal your attic for energy savings. Removal of vermiculite insulation should only be performed by. To get a better air seal. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.

A properly done spray foam job not only insulates but also greatly reduces the air leakage of. Don t attempt any air sealing work in an attic insulated with vermiculite. Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money. Most people just add insulation to their attic this will not stop the escaping warm air.

By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. While you are in the attic sealing air leaks look for any ductwork that may be up there. 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.

Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter. 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. Once you deal with the air up there this problem goes away with or without the insulation in the attic floor. The attic is usually where you can find some of the largest opportunities to save energy in your home.

It really should be called spray foam insulation and air barrier. 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. Air sealing the attic floor after considering zip sheathing for the ceiling air barrier we settled on the intello membrane instead. The number one prep step.

If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the. By eric whetzel december 5 2017. If your attic floor is insulated with vermiculite a type of insulation that may contain asbestos don t touch the insulation. It made a lighter easier to.