Build Frame Around Rigid Foam Board For Attic Door

In this next step you have to cut a piece of rigid foam board or fiberglass to glue or nail it on the back of the attic hatch or attic access door.

Build frame around rigid foam board for attic door.

Foam insulation boards can be attached to concrete walls as well and in such a case care should be taken not to chip the cement. When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room. The attic access door is often the name used to describe push up type access panels knee wall doors or any type of entry point into the attic space. Cut out the foam board using a utility knife and a straightedge.

Cut out two pieces of rigid foam board that are 1 4 inch smaller than the hatch so homeowners can slide the attic access panel open easily. To attach the insulation you can use screws with large washers a special adhesive made for adhering foam board insulation or for smaller pieces you can seal them in with caulk or spray foam. This is a flexible vinyl covered foam that squashes nicely to form a reasonably air tight seal but only when pressure is applied on it. Add rigid foam fiberglass board to the back of the hatch.

If you are not confident about this you can purchase a pre cut attic door insulation material from your trusted home improvement store. Apply a bead of foam compatible glue to it and attach it to the plywood hatch. Step 2 install insulation boards. After you have replaced the weatherstripping you ll want to cut a piece of fiberglass or rigid foam board to size and nail or glue it on the back of the hatch door.

Foil faced polyiso is the greenest and best performing of the rigid foam options. First install foam weather stripping on the inside of the trim or directly onto the hatch. The next three pictures show the stock kerfed and assembled into the shape of our attic access hatch make sure to square your frame at this point. You can purchase pre cut attic door insulation material at your local home improvement store or online.

More on that later. Foam board insulation is easy to cut with a circular saw with a masonry blade or scored with a utility knife and snapped like you would drywall. Rather than cutting it to fit. If the attic door is placed on the foam board use the edges of the door as the cutting guide.

Step 3 place caulking and furring strips. 0 78 in x 8 ft x 4 ft styrofoam residential sheathing 15 psi 1 faced polystyrene garage door foam board insulation with sound barrier item 14545 model 202059. To insulate an attic hatch you need weather stripping rigid foam board and fiberglass batt insulation. Add fiberglass or rigid foam board to back of hatch.