Find Air Leaks In Attic

You might also notice some patches of ice or frost.

Find air leaks in attic. 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. In most homes however the most significant air leaks are hidden in the attic and basement.

Common attic air leaks include. Most air leaks can be found around light fixtures plumbing pipes ventilation rafters chimneys and other areas. Any small crack or gap in the attic can be a source of. But locating leaks can be difficult because they are often hidden under your 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. 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. Each of these cutouts is a likely air leak. 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. Gather your supplies and suit up. Climb into your attic. Turn on your heat or air conditioning system so it s constantly blowing.

Electrical connections for fixtures fans and outlets require a hole cutout in your ceiling drywall. Step only on the joists or lay plywood across the. 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. Use this map from energy star to learn where typical air leaks holes and gaps are located in the home.