Hardware 2 small bungee cords to seal it tight.
Seal attic hatch.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
Air seal the trim the first step is air sealing the finish trim and enclosure around the attic hatch.
Cut four pieces of polystyrene rigid insulation about 1 2 inch smaller than the dimensions of the hatch.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Carefully pull down the finish trim.
How to insulate and air seal an attic access hatch.
Apply weather stripping to the door to create a seal.
Sealing the attic hatch or door finish up by sealing the access hatch with self sticking weather stripping.
Diy sealing the attic hatch seal trim to ceiling create air tight seal between hatch and trim.
Once you have the materials you can begin to seal and insulate the knee wall access door through these steps.
From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area.
Remove your existing attic hatch and measure its size.