Find Air Leaks In Attic

Most air leaks can be found around light fixtures plumbing pipes ventilation rafters chimneys and other areas.

Find air leaks in attic.

You may even be able to locate bypasses visually by looking for insulation being blown about. The dirt comes from dusty air leaking into your 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. Use this map from energy star to learn where typical air leaks holes and gaps are located in the home.

Any small crack or gap in the attic can be a source of. Sealing the ducts is easy once you find the leaks. From the attic side of your ceiling find the fixtures you noted. Each of these cutouts is a likely air leak.

Close the attic access door or hatch behind you to maximize the effect. 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. 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. You might also notice some patches of ice or frost.

You ll have to pull back existing insulation to find them. Climb into your attic. Common attic air leaks include. Know where common attic air leaks are located.

Step only on the joists or lay plywood across the. But locating leaks can be difficult because they are often hidden under your insulation. Gather your supplies and suit up. These are the leaks that significantly raise your energy bill and make your house uncomfortable.