How To Air Seal Attic Reddit

If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening.

How to air seal attic reddit.

Better yet there are high quality products such as the attic gator designed to both seal and insulate attic access doors and scuttle holes. I m trying to air seal this entire thing. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11. 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.

Use caulk to seal air leaks around plumbing ducting and electrical wiring. Use expandable foam spray for any gaps and cavities larger than inch but no larger than 3 inches. To properly seal your attic hatch also known as an attic door or scuttle hole at a minimum you should apply weather stripping and ensure the attic side of the attic door is insulated. I can t exactly put a piece of ply wood over the joists because the a cross beams are in the way.

Install foam gaskets behind outlet and switch plates. Watch and see how to air seal attic penetrations to improve energy efficiency and prevent warm air rising inside a home from entering the attic space.