This way it will create a seal when the door is closed.
Seal attic access.
Use a hammer to drive nails through the material and attach it to the attic door frame.
Air seal the trim the first step is air sealing the finish trim and enclosure around the attic hatch.
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Install a gasket around attic access openings to air seal between the opening and the panel covering.
Air seal attic access panels and drop down stairs to minimize air leakage.
If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the opening.
How to insulate and air seal an attic access hatch.
Once you have the materials you can begin to seal and insulate the knee wall access door through these steps.
Get it as soon as fri sep 11.
Sealing the attic hatch or door finish up by sealing the access hatch with self sticking weather stripping.
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.
Unroll the insulation over the door.
The stops provide a wider surface for attaching the weatherstrip and a space to mount hook and eye fasteners.
The gaps between the edges of the access doors and the trim surrounding the hole allow.
Attach the rigid foam insulation to the attic side of the door.
From inside the attic check for any openings holes or fenestrations into the knee wall surrounding area.
Pray that the installer used finish nails and not say ring shank nails.
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Insulate the cover with rigid foam that is glued in place or batt insulation that is mechanically fastened e g with wires and screws.
If your hatch rests directly on the moldings add 2 1 2 inch wide stops around the opening.
Carefully pull down the finish trim.
Measure the size of the attic access door and cut a piece of insulation slightly larger than that.
Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.