Build Frame Around Rigid Foam Board For Attic Door

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.

Build frame around rigid foam board for attic door.

More on that later. 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. If the attic door is placed on the foam board use the edges of the door as the cutting guide. 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.

Insulate the hatch cut foam board to 1 2â less than the size of the hatch on each side. Apply a bead of foam compatible glue to it and attach it to the plywood hatch. Add fiberglass or rigid foam board to back of hatch. When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room.

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. 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. Cut out the foam board using a utility knife and a straightedge. To insulate an attic hatch you need weather stripping rigid foam board and fiberglass batt insulation.

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. The most common of these is the push up type panel that is simply drywall or plywood held in place by simple wood trims. 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. You can purchase pre cut attic door insulation material at your local home improvement store or online.

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. 0 78 in x 8 ft x 4 ft. Rather than cutting it to fit.

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. Add rigid foam fiberglass board to the back of the hatch. Step 2 install insulation boards. 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.