Filling Air Gaps In Attic

If the space around your plumbing pipe is wider than 3 inches you may need to stuff some fiberglass insulation into the space to serve as a backer for the expanding foam.

Filling air gaps in attic.

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. He s told us that the gaps are required to prevent condensation or any adverse impact to the timber within. Hot or cold air travels trough these small spaces upward into the attic or from the attic down. Foam or caulk small gaps in your attic.

Sealing attic air leaks foam or caulk small gaps in your attic. Stuff gaps with insulation. This will result in colder home in the winter and a warmer home in the summer. Once you have finished sealing all of the leaks in your attic the next step is to weatherstrip.

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. 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. Replace your old recessed lights with air tight insulated can models available at home centers and lighting stores. Look for areas where the insulation is darkened.

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. Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots. While most of the air leaks in your attic are probably covered up by insulation. 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.

Here are the solutions we recommend if you have recessed can lights protruding into your attic. Once the fiberglass insulation is in place follow the directions on the can to foam the space around the pipe. Replace incandescent bulbs with cooler operating compact fluorescent bulbs. Generally these are holes for wires pipes and light fixtures.