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.
How to install insulating foam board in an attic.
Next you will need to place the foam board insulation between each joist as a test.
Remove any existing pieces of insulation that might have been covering the attic walls until now.
Step 2 install insulation boards.
Do not nail the board into the roof.
Put the board between the rafters.
How to install foam board on a walk in attic door.
If it fits proper with no space between on either side of the board pick it up and put a thin layer of glue on.
No matter how much insulation you add to your home s walls floors and ceilings you re throwing your money away if you don t insulate your attic.
If you plan on finishing your attic then you cannot install it directly.
You can use a foamboard adhesive to glue it in place.