Find Air Leaks In Attic

Air leaks also commonly occur at the edge of top plates which normally have a small gap of less than an inch between the plates and drywall.

Find air leaks in attic.

The dirt comes from dusty air leaking into your attic. Any small crack or gap in the attic can be a source of. Gather your supplies and suit up. From the attic side of your ceiling find the fixtures you noted.

Close the attic access door or hatch behind you to maximize the effect. You ll have to pull back existing insulation to find them. Step only on the joists or lay plywood across the. Use this map from energy star to learn where typical air leaks holes and gaps are located in the home.

In most homes however the most significant air leaks are hidden in the attic and basement. Common attic air leaks include. Each of these cutouts is a likely air leak. While most of the air leaks in your attic are probably covered up by insulation you can detect these air leaks by looking for patches of dirty or dark insulation.

Climb into your attic. These are the leaks that significantly raise your energy bill and make your house uncomfortable. Sealing the ducts is easy once you find the leaks. You may even be able to locate bypasses visually by looking for insulation being blown about.

Electrical connections for fixtures fans and outlets require a hole cutout in your ceiling drywall. And just as you can feel the air from a leaky balloon you ll be able to confirm leaks in the attic by feeling the draft with your hand. Most air leaks can be found around light fixtures plumbing pipes ventilation rafters chimneys and other areas. Know where common attic air leaks are located.