Step 3 place caulking and furring strips.
Foam board in attic.
To create an airtight seal use foil tape.
Install foam boards with the foil side facing you.
Your board must leave at least inch gap between the board and the roof.
Use furring strips nailed into the sides of the rafters so that you have something to fasten the board to.
This is the same stuff your disposable coffee cup and is made out of and it s used to.
Step 2 install insulation boards.
This foam board insulation is the rigid pink or blue panels that can be found.
There are a few different kinds of foam board insulation diyers should know about.
When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room.
The superattic system utilizes proprietary silverglo rigid foam insulation panels to fully seal and insulate the attic directly beneath the roof rafters and directly inside the gable ends.
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.
Shop at lowe s to find the foam sheeting you need for your next insulation project.
Get free shipping on qualified attic foam board insulation or buy online pick up in store today in the building materials department.
Polyisocyanurate is another option coming in as the densest and more expensive option for foam board.