How To Seal A Drafty Brick Attic

Finally watch out for can ceiling lighting which can be another well disguised source of big drafts.

How to seal a drafty brick attic.

Seal the wall plate where the top of walls meets the floor ceiling joists in the attic to ensure air does not leak at the outer edges of your attic roof. Cellulose filled the cavity between the framing and the plaster interior walls. These door sweeps will seal off the door and prevent air from leaking out of your home. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening.

Insulating the attic is the best way to seal these leaks. You can spray expanding foam between the drywall and framing. If that s an issue clean the wall with a mild masonry stain remover or. Do the same around the top plates of interior walls underneath the attic floor.

Then jeff filled those gaps with 2 1 2 inches of foam it green spray foam insulation. Tips any stains that remain on the brick or mortar once the loose material is removed will likely darken after sealing. Start by placing door sweeps on the bottom of every door that leads outside. The attic can also be a major source of air leaks.

Jeff used the redwood siding as his starting point fixing 2x3 studs the skeleton into the redwood siding that looked like a grid. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.