Air Sealing Attic With Great Stuff

The number one prep step.

Air sealing attic with great stuff.

Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. 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. Seal around the light box where it touches the drywall and all of the wiring holes on the top and sides of the box. Your focus should be on the attic when you begin air sealing.

Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11. This hole in the ceiling needs to be sealed with either great stuff or caulk. Imagine that you have a small boat and steered it into a cluster of jagged rocks. The boat suffers and has a few holes in the bottom of it.

Attics are often under insulated and under sealed leading to wasted energy and wasted spend by the homeowners. Attic air sealing is the priority. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the. 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.

Attics are like a superhighway for unwanted air and pests. Most people just add insulation to their attic this will not stop the escaping warm air. 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. Air seal your attic for energy savings.

Don t squirt the great stuff into the box. Products like great stuff pro drywall gasket provide a relatively new option for effective wall top air sealing. Sep 25 2017 learn how to properly air seal your home s attic. We first saw this product in 2018 and it is specifically formulated to form an airtight gasket between the drywall and top plate.

Air sealing plumbing pipes and attic chases. Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money. Seal insulate and reduce energy costs how to seal your attic.