How To Seal Attic Air Leaks

Install foam gaskets behind outlet and switch plates on walls.

How to seal attic air leaks.

Shake can for 60 seconds. Where do attic air leaks occur. All you need to do is. Install a piece of weather stripping around the access hole in the attic.

Install the dispenser to the product as per directed on label. When you re done sealing your attic bypasses push the insulation back into place with an old broom handle or stick as you back out of the attic. Inspect dirty spots in your insulation for air leaks and mold. Never walk on exposed ceiling or insulation as you could potentially fall.

Practice with a dry run. When standing under your attic look at the ceiling and check where your light fixtures and fans are located. Caulk and seal air leaks where plumbing ducting or electrical wiring comes through walls floors ceilings and soffits over cabinets. Know where common attic air leaks are located.

Stuff gaps with insulation. Most air leaks can be found around light fixtures plumbing pipes. Even though insulation may be piled against or stuffed into these spaces they can still leak air. Drop the attic door over the weather.

Prep area by removing dust and debris. Start by looking. How to find and seal attic air leaks 1. Cut a piece of plywood to the size of your attic door.

Cut a few pieces of foam board insulation the same size and screw them to the plywood with long 4 screws. If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening. With this in mind consider fixing air leaks in your attic as soon as possible to avoid losing your hard earned cash. Activate can by pulling the trigger.

Get your supplies together and have a plan. If the space around your plumbing pipe is wider than 3 inches you may need to stuff some fiberglass insulation into the space to serve as a backer for the expanding foam. Invert can and insert it into the gap around the attic hatch. Step by step directions.

Once the fiberglass insulation is in place follow the directions on the can to foam the space around the pipe. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.