Air Infiltration From Attic Through Ceiling

The attic is usually where you can find some of the largest opportunities to save energy in your home.

Air infiltration from attic through ceiling.

Combined with attic insulation air sealing can help to alleviate the formation of dangerous ice dams in the winter. By air sealing in your attic you can stop many major air leaks and help to maintain the desired temperature throughout your home. Air is being drawn in from attic into house via openings in the ceiling which is now connected to the attic. Fill ceiling box gaps with fire blocking foam invert the spray foam can and shove the tube up into the gap.

Gently squeeze the trigger and slowly pump foam into the gap. Vents are used to keep air flowing through the attic. A house is made mainly of structure and control layers. Any ceiling vents need to be foamed and sealed where they meet the ceiling.

There are four basic steps to sealing attic air leaks. If you want to add insulation remember that air leaks have to be sealed first. Consider swapping out or upgrading any duct work that is not insulated properly. Blower door test the house for air leakage.

If you have an attic ac unit you should take this opportunity to check the air seals on the duct work. There primary purpose is to keep insulation from clogging the lower ventilation. In my world its pretty simple. Once this air sealing work is done you may want to add more insulation to your attic floor.

That s why they make filters out of fiberglass. There s the framing that holds everything together and keeps it from falling down the structure. The easiest way to find air leaks is with a blower door. Attic ventilation is necessary to prevent moisture build up that can potentially cause rotting.

Loose connections should be clamped taped and caulked. Get your bearings from below before you crawl into the attic make a quick sketch of the floor plan. The insulation is dirty precisely because it does not stop the movement of air. Common attic air leaks warm air flows out through tiny gaps in the ceiling and walls resulting in cold drafts of air around windows doors and other leaky areas.