How To Insulate And Air Seal Pull Down Attic Stairs

Apply a bead of caulk around the entire inner edge to help seal it entirely.

How to insulate and air seal pull down attic stairs.

Products designed to seal or insulate attic stairs. Clean the floor around the attic stairs so the tape will adhere well. If you have pull down attic stairs or an attic door these should be sealed in a similar manner. Once you have the materials you can follow these steps to seal the attic pull down stairs.

Tape the lid to the top of the box along one of the long edges with foil tape. Several companies sell prefacbricated foam or fabric enclosures or tents designed to reduce air leaks and heat loss at attic stairs. A pulldown stairs is a real convenient way to get from your house to the attic. Make sure the box fits squarely over the access.

Pull down the door and extend the stairs down to the floor. Cut two strips of 1 2 inch wide self adhesive rubber weatherstrip the length of the longest sides of the frame with scissors. Cut a piece of foam the size of the exterior dimensions of the box for the lid. Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door.

Clean and wash the floor around the attic door. If the gap is less than 1 2. Insulate add insulation to the exterior of the plywood box. Then finish up by sealing the access hatch with self sticking foam weatherstrip photos 10 and 11.

At least 4 of foil faced polyisocyanurate should be glued to the box though 6 or 8 isn t uncommon. Use foil tape along the entire edge to hold it in place. Create a box using the foam board. The problem is they re not very well insulated and you can really be losing a lot of heat if you don t have the.

If your hatch rests directly on the moldings like ours did add 2 1 2 in wide stops around the. Place your constructed box in place and begin to tape it down to the floor. The draft cap attic stair insulator. 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.

The battic door attic stairs cover. Affix the fiberglass insulation to the top of the box. Since with attic insulation we gun for a pretty high standard at least r 49 the coffin insulation should match.