Air Sealing Attic With Great Stuff

This hole in the ceiling needs to be sealed with either great stuff or caulk.

Air sealing attic with great stuff.

Seal around the light box where it touches the drywall and all of the wiring holes on the top and sides of the box. Attics are like a superhighway for unwanted air and pests. Sep 25 2017 learn how to properly air seal your home s attic. Seal insulate and reduce energy costs how to seal your attic.

Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. Keep your home comfortable and critter free by air sealing attic hatch doors which can be real air leakers between a bedroom ceiling and the attic. Imagine that you have a small boat and steered it into a cluster of jagged rocks. Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money.

The number one prep step. Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. See more ideas about air seal attic attic insulation. 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.

If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the. Great stuff pro gasket is a flexible water based one component foam designed to form an interior gasket between framing lumber and drywall which improves air sealing performance. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11. Products like great stuff pro drywall gasket provide a relatively new option for effective wall top air sealing.

Don t squirt the great stuff into the box. Material is applied and allowed to dry to the face of the top plate bottom plate and around the perimeter of all rough openings before installing drywall. Your focus should be on the attic when you begin air sealing. The boat suffers and has a few holes in the bottom of it.

We first saw this product in 2018 and it is specifically formulated to form an airtight gasket between the drywall and top plate. 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. Most people just add insulation to their attic this will not stop the escaping warm air.