The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
Air sealing details for attic hatch.
Apply self adhesive foam weatherstrip tape to the top edge of the stop.
Seal the attic access.
Sealing the attic hatch or door finish up by sealing the access hatch with self sticking weather stripping.
Gaskets are generally more durable and produce a tighter seal.
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.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
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.
Air seal the hatch perimeter the plywood hatch rests on a small wood strip lip.