How To Insulate And Air Seal Pull Down Attic Stairs

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.

How to insulate and air seal pull down attic stairs.

Make sure the box fits squarely over the access. Use caulk to air seal between the frame and opening. Affix the fiberglass insulation to the top of the box. Insulate add insulation to the exterior of the plywood box.

Once you have the materials you can follow these steps to seal the attic pull down stairs. Several companies sell prefacbricated foam or fabric enclosures or tents designed to reduce air leaks and heat loss at attic stairs. Use foil tape along the entire edge to hold it in place. The draft cap attic stair insulator.

Pull down the door and extend the stairs down to the floor. A pulldown stairs is a real convenient way to get from your house to the attic. If you have pull down attic stairs or an attic door these should be sealed in a similar manner. 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. Tape the lid to the top of the box along one of the long edges with foil tape. 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. Since with attic insulation we gun for a pretty high standard at least r 49 the coffin insulation should match.

If the gap is less than 1 2. At least 4 of foil faced polyisocyanurate should be glued to the box though 6 or 8 isn t uncommon. Place your constructed box in place and begin to tape it down to the floor. Attach foam tape weather stripping to the top edge of the box to form a tighter seal.

Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door. Apply a bead of caulk around the entire inner edge to help seal it entirely. Cut a piece of foam the size of the exterior dimensions of the box for the lid. Products designed to seal or insulate attic stairs.

Create a box using the foam board. 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. The battic door attic stairs cover.