How To Air Seal Attic Reddit

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.

How to air seal attic reddit.

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. 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. Install foam gaskets behind outlet and switch plates. Don t forget to check behind attic kneewalls.

Also it appears the previous owner just piled a bunch of fiber glass insulation in one part of the attic over the master bedroom. I m trying to air seal this entire thing. Dig up the insulation piling it in the areas that you have confirmed with your diagram there is nothing to air seal and when you are done use a rake to cover everything back up make sure you give proper curing time for the foam and that you attempt to fluff up the insulation that was compressed. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.

Use expandable foam spray for any gaps and cavities larger than inch but no larger than 3 inches. Better yet there are high quality products such as the attic gator designed to both seal and insulate attic access doors and scuttle holes.