Find Air Leaks In Attic

You might also notice some patches of ice or frost.

Find air leaks in attic.

Each of these cutouts is a likely air leak. Climb into your attic. Electrical connections for fixtures fans and outlets require a hole cutout in your ceiling drywall. You may even be able to locate bypasses visually by looking for insulation being blown about.

Gather your supplies and suit up. You ll have to pull back existing insulation to find them. In most homes however the most significant air leaks are hidden in the attic and basement. Close the attic access door or hatch behind you to maximize the effect.

Step only on the joists or lay plywood across the. The dirt comes from dusty air leaking into your attic. Sealing the ducts is easy once you find the leaks. Know where common attic air leaks are located.

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. 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. Any small crack or gap in the attic can be a source of. Use this map from energy star to learn where typical air leaks holes and gaps are located in the home.

From the attic side of your ceiling find the fixtures you noted. Turn on your heat or air conditioning system so it s constantly blowing. But locating leaks can be difficult because they are often hidden under your insulation. Common attic air leaks include.