How Do I Insulate My Attic Stairs

How to insulate under stairs install 1 3 wood strapping along the bottom of the stair stringers from the bottom up to the top.

How do i insulate my attic stairs.

Once the opening has been sealed it can be further insulated by building a foam box in the attic to enclose the stairs. Treat the attic door like a door to the outside. Weatherstrip the edges and put a piece of rigid foam board insulation on the back of the door. 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.

If you have pull down attic stairs or an attic door these should be sealed in a similar manner. More insulation 6 inches or 8 inches isn t uncommon. Install 1 inch or 2 inches depending on how cold your climate is of foam board insulation see foam board insulation r. Attic pull down stairs can leak air which leads to higher energy bills.

Pre made insulated attic stair covers are also available from local home improvement centers or on the web. With attic insulation we aim for a pretty high standard usually at least r 49 and the coffin insulation should match.