Inspect dirty spots in your insulation for air leaks and mold.
How to seal attic air leaks.
Again look for signs of dirty insulation to indicate air is moving through.
Step by step directions.
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.
Shake can for 60 seconds.
If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening.
Cut a few pieces of foam board insulation the same size and screw them to the plywood with long 4 screws.
Stuff gaps with insulation.
Practice with a dry run.
Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.
Prep area by removing dust and debris.
Install foam gaskets behind outlet and switch plates on walls.
Usually air leaks occur in these spaces.
Caulk and seal air leaks where plumbing ducting or electrical wiring comes through walls floors ceilings and soffits over cabinets.
Cut a piece of plywood to the size of your attic door.
All you need to do is.
Activate can by pulling the trigger.
If you have a finished attic seal behind the kneewalls finished rooms built into attics often have open cavities in the floor framing under the side walls or kneewalls.
Drop the attic door over the weather.
With this in mind consider fixing air leaks in your attic as soon as possible to avoid losing your hard earned cash.
Start by looking.
Never walk on exposed ceiling or insulation as you could potentially fall.
Invert can and insert it into the gap around the attic hatch.
How to find and seal attic air leaks 1.
Know where common attic air leaks are located.
Install a piece of weather stripping around the access hole in the attic.
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.
When standing under your attic look at the ceiling and check where your light fixtures and fans are located.
Get your supplies together and have a plan.
Once the fiberglass insulation is in place follow the directions on the can to foam the space around the pipe.
Even though insulation may be piled against or stuffed into these spaces they can still leak air.
