How To Seal Attic Access Hatch

Apply self adhesive foam weatherstrip tape to the top edge of the stop.

How to seal attic access hatch.

The latch should lay flush against the frame. Seal the attic access. Weatherstrip the attic access hatch or door. Cut four pieces of polystyrene rigid insulation about 1 2 inch smaller than the dimensions of the hatch.

The insulation will both slow heat loss and add ballast to the hatch to improve the seal at the weatherstripping. From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area. How to insulate and air seal an attic access hatch. How to seal knee wall doors.

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. Air seal the trim the first step is air sealing the finish trim and enclosure around the attic hatch. Remove your existing attic hatch and measure its size.

Affix foam insulation to. The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners. Cut 1 3 boards to fit the perimeter of the opening and nail them on with 6d finish nails. Use spray foam to air seal these.