How To Insulate Attic Stairs

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.

How to insulate attic stairs.

Do not apply the weather stripping to the hinge end. One way is to install 2 4 blocking behind the stringers. Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door. Attach the foam box to the.

Cut sides and top from sheets of 3 4 foam board with a utility knife. If you have pull down attic stairs or an attic door these should be sealed in a similar manner. Measure the size and height of the stairs from the attic. The stairs themselves also need to be insulated and the bottom of the stringers should be air sealed with airtight drywall.

To insulate fold down attic stairs. Insulate attic drop down access stairs insulation for pull steps savings project cover box an stair big energy construct battic door r 50 the guardian 38 ladder how to insulate attic drop down access stairs today s homeowner insulation for pull down attic steps hometalk savings project attic stairs cover box department of energy how read more. If the flange of your zippered attic cover sits on top of insulation there is no way to caulk it in place. Apply weather stripping first check that your folding attic stairs are able to close securely and tightly.

Begin by checking to see if the attic stairs close tightly then apply self adhesive foam weather stripping around the perimeter where the plywood door meets the frame except on the hinge end. Position the box over the stair opening in the attic. Assemble the sides of the box with metallic duct tape. Once the drywall is installed you can fill the gap with spray foam.

That means that you should glue at least 4 inches of foil faced polyisocyanurate r 26 to the box. Then take your self adhesive foam weather stripping and apply it all around the perimeter of where the frame and the door meet. Once the opening has been sealed it can be further insulated by building a foam box in the attic to enclose the stairs. More insulation 6 inches or 8 inches isn t uncommon.