When you have four pieces cut glue them together with a construction adhesive designed to work with foam and then glue that entire foam block to the backside of hatch panel centred as it is here.
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.
When the lid is finally installed the foam will lap over the attic hatch frame helping to reduce the thermal bridging of the door jamb stock.
Add rigid foam fiberglass board to the back of the hatch.
You can purchase pre cut attic door insulation material at your local home improvement store or online.
Once you have the appropriate materials you can start the process of sealing and insulating the attic hatch.
Insert each board just beyond the cut line where you removed the drywall.
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.
Measure between the joists and cut two boards to fit one on each side of the opening.
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.
Toenail the board into the joist so that the bottom of the 2 by 6 inch board is level with the bottom of the joist.
If you are not confident about this you can purchase a pre cut attic door insulation material from your trusted home improvement store.
Add fiberglass or rigid foam board to back of hatch.
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.
Cut two pieces of foam board that are about 1 4 smaller than the hatch.
You can purchase self adhesive weatherstripping to make it easier.
These should be at least 2 by 6 inches in size.
Step 2 install insulation boards.
When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room.
If possible place the attic door onto the foam board and trace the outline.
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.
Install fiberglass batt insulation on top of the foam board.
Isolate your attic climate from the rest of your home with rigid foam insulation attached to the attic door.
Install the weather stripping onto the hatch or on the inside of the trim.
Attach the two layers of foam board together and apply them to the hatch.
Do this until they fit all four sides.
Measure the dimensions of the attic door with a tape measure and transfer these measurements onto a piece of foam board.
Later as time and money permits evaluate and upgrade your home s insulation for an.