How To Seal Attic Air Leaks

An attic can be one of the best places to save energy by air sealing. This is because it is a critical interface between conditioned spaces and unconditioned spaces in a home, and leaks around the chimney, plumbing penetrations, recessed lighting and other fixtures tend to be large and costly. A properly air sealed attic will keep conditioned air in the living space during the winter and cold outdoor air out of the house during the summer. It will also reduce noise pollution and air moisture in the living space, control mold growth and reduce the occurrence of dangerous ice dams in the winter. Check this out :https://sprayprofoam.com/

The most common signs of an attic that needs air sealing are drafts and excessive dust. An attic that is poorly air sealed can lose up to 15% of the conditioned air in your home. A blower door test will usually show where the biggest sources of leaks are, so homeowners can concentrate on those first.

How to Seal Air Leaks in the Attic

Leaks in basement and crawlspaces are typically smaller than attic leaks, but they can still add a lot to your energy costs. In addition, they can let in radon gas, moisture and other subsoil nasties into your home. This is often the most difficult area to air seal, since the access is often limited and crawlspaces are dark and cold, but the results can be significant.

Before beginning your attic air sealing project, make sure you have all the following tools and supplies on hand. Work gloves, safety goggles and a dust mask – these will protect you from dust, mud, insects and other nasty things that can get into your home. A head lamp or flashlight – this will be helpful for getting around in your attic and seeing the small corners and crevices. Knee pads – this will help you avoid the pain from working on hard surfaces.

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