Seal the attic access.
Air sealing details for attic hatch.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
The standard air sealing recommendation is to install a compression bulb weatherstrip.
Air seal the hatch perimeter the plywood hatch rests on a small wood strip lip.
This can also be beefed up to a sealing gasket like the one on your refrigerator door.
Weatherstrip the attic access hatch or door.
Cut 1 3 boards to fit the perimeter of the opening and nail them on with 6d finish nails.
Sealing the attic hatch or door finish up by sealing the access hatch with self sticking weather stripping.
Instead of crunching the numbers as he did one just needs to walk by one in a hallway during the middle of summer to know it isn t insulated.
In our ongoing series on air sealing we are going to focus on the dreaded attic hatch or as allison baile s of energy vanguard so eloquently calls it a mind blowing hole in your building envelope.