Set aside the trim and using caulk for smaller gaps less than 1 4 or foam sealant for larger ones seal the gap between the attic hatch framing and the rough cut drywall.
Air seal attic stairs.
Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.
We are going to show you step by step in less than 2 and 1.
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Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots.
A pulldown stairs is a real convenient way to get from your house to the attic.
A bead of caulking can be applied around the inside of the opening to provide a better seal.
Seal air leaks gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.
Insulate the cover with rigid foam that is glued in place or batt insulation that is mechanically fastened e g with wires and screws.
Most people just add insulation to their attic this will not stop the escaping warm air.
The number one prep step.
If you have pull down attic stairs or an attic door these should be sealed in a similar manner.
Install a gasket around attic access openings to air seal between the opening and the panel covering.
Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door.
I have to be just a shade vague there as the drywall can either butt up against the hatch frame or lap over it.
Air seal attic access panels and drop down stairs to minimize air leakage.
Without air sealing your attic you are allowing warm air to escape from your home carrying with it your hard earned winter heating money.
Attach the box to the floor around the outside with strips of foil tape then run tape along the entire edge.
If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the.
Clean the floor around the attic stairs so the tape will adhere well.
Position the box over the opening making sure it is square.
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.
Cut a piece of fiberglass or rigid foam board insulation the same size as the attic hatch and nail or glue it to the back of the hatch.