Foam board insulation is easy to use and is a great diy way to add some insulation.
Attic foam board.
It s made of environmentally sound closed cell polyisocyanurate foam bonded to a durable white matte non glare aluminum facer and a reflective reinforced aluminum facer.
Shop at lowe s to find the foam sheeting you need for your next insulation project.
Some types of thicker foam board insulation are available but they may need to be special ordered.
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.
Get free shipping on qualified attic foam board insulation or buy online pick up in store today in the building materials department.
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Install foam boards with the foil side facing you.
To create an airtight seal use foil tape.
It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches.
Use furring strips nailed into the sides of the rafters so that you have something to fasten the board to.
Polyisocyanurate is another option coming in as the densest and more expensive option for foam board.
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.
Step 3 place caulking and furring strips.
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.
Your board must leave at least inch gap between the board and the roof.