2 measure and cut the foam boards as.
How to attach rigid foam insulation to attic access.
Use a screw length as long as the insulation is.
Sink a large head screw or a screw with a washer through the rigid foam insulation into each of the four corners and on either side of the doorknob.
Step 4 cut foam boards the next step involves cutting out the foam boards according to precise measurements.
Place a strip of caulking at every junction where the foam boards will have to meet the support structures of the attic.
Install the weather stripping onto the hatch or on the inside of the trim.
Make sure the r value of the insulation on the hatch matches the r value of the insulation in the rest of the attic.
Attach the pieces of foam board to themselves and then attach them to the hatch.
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.
Place the furring strips on the wall carefully making sure they are aligned in a straight plane with one another.
With the use of rigid insulation homeowners in the northern areas of the country are able to combat heat loss through their attic the rigid insulation is a foam polystyrene material that comes in various thickness to add to the current r value of the fiberglass insulation between the rafters.
Once you have the appropriate materials you can start the process of sealing and insulating the attic hatch.
Attach the two layers of foam board together and apply them to the hatch.