To create an airtight seal use foil tape.
Foam board in attic.
Step 2 install insulation boards.
Your board must leave at least inch gap between the board and the roof.
There are a few different kinds of foam board insulation diyers should know about.
Polyisocyanurate is another option coming in as the densest and more expensive option for foam board.
Install foam boards with the foil side facing you.
Typically sold as sheet insulation in a standard size of 4 x 8 foam insulation panels can help reduce energy costs get a handle on moisture control and more.
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.
This foam board insulation is the rigid pink or blue panels that can be found.
The superattic system from dr.
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.
Get free shipping on qualified attic foam board insulation or buy online pick up in store today in the building materials department.
Energy saver eliminates the need to remove attic flooring and lose valuable attic storage space in order to make major energy saving upgrades in the attic.
Shop at lowe s to find the foam sheeting you need for your next insulation project.