Find Air Leaks In Attic

Common attic air leaks include.

Find air leaks in attic.

Know where common attic air leaks are located. Use this map from energy star to learn where typical air leaks holes and gaps are located in the home. You ll have to pull back existing insulation to find them. Electrical connections for fixtures fans and outlets require a hole cutout in your ceiling drywall.

Sealing the ducts is easy once you find the leaks. Close the attic access door or hatch behind you to maximize the effect. Step only on the joists or lay plywood across the. These are the leaks that significantly raise your energy bill and make your house uncomfortable.

You might also notice some patches of ice or frost. From the attic side of your ceiling find the fixtures you noted. 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. The dirt comes from dusty air leaking into your attic.

In most homes however the most significant air leaks are hidden in the attic and basement. Gather your supplies and suit up. Turn on your heat or air conditioning system so it s constantly blowing. 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. But locating leaks can be difficult because they are often hidden under your 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. Most air leaks can be found around light fixtures plumbing pipes ventilation rafters chimneys and other areas.