Find Air Leaks In Attic

Close the attic access door or hatch behind you to maximize the effect.

Find air leaks in attic.

Know where common attic air leaks are located. From the attic side of your ceiling find the fixtures you noted. But locating leaks can be difficult because they are often hidden under your insulation. Step only on the joists or lay plywood across the.

Turn on your heat or air conditioning system so it s constantly blowing. Use this map from energy star to learn where typical air leaks holes and gaps are located in the home. Electrical connections for fixtures fans and outlets require a hole cutout in your ceiling drywall. Each of these cutouts is a likely air leak.

Sealing the ducts is easy once you find the leaks. Any small crack or gap in the attic can be a source of. You may even be able to locate bypasses visually by looking for insulation being blown about. 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.

Most air leaks can be found around light fixtures plumbing pipes ventilation rafters chimneys and other areas. Gather your supplies and suit up. The dirt comes from dusty air leaking into your attic. Common attic air leaks include.

You might also notice some patches of ice or frost. 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. In most homes however the most significant air leaks are hidden in the attic and basement. These are the leaks that significantly raise your energy bill and make your house uncomfortable.