Filling Air Gaps In Attic

Once you have finished sealing all of the leaks in your attic the next step is to weatherstrip.

Filling air gaps in attic.

Here are the solutions we recommend if you have recessed can lights protruding into your attic. 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. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. Even though most of the gaps spilling warm air into your attic are buried under insulation you might be able to find evidence of these gaps.

He s told us that the gaps are required to prevent condensation or any adverse impact to the timber within. Great stuff gaps cracks insulating foam sealant is a ready to use minimal expansion insulating foam sealant that expands up to 1 inch to take the shape of gaps creating a long lasting airtight and water resistant seal around plumbing and electrical in basements attics and more. A few cans of expandable foam spray for filling gaps and cracks larger than 14 inch wide aluminum flashing to keep insulation materials away from the hot flue pipe safety and planning considerations. Replace your old recessed lights with air tight insulated can models available at home centers and lighting stores.

Generally these are holes for wires pipes and light fixtures. The number one prep step. Replace incandescent bulbs with cooler operating compact fluorescent bulbs. Once the fiberglass insulation is in place follow the directions on the can to foam the space around the pipe.

While most of the air leaks in your attic are probably covered up by insulation. The current vendor of the house claims that the reason for the gaps in the roofing visible from inside the atic is that it is a breathing roof. Hot or cold air travels trough these small spaces upward into the attic or from the attic down. This is the result of filtering dusty air from the house.

Sealing attic air leaks foam or caulk small gaps in your attic. Look for areas where the insulation is darkened. Air gaps in the attic are one of the main sources of energy loss. Stuff gaps with insulation.