Foam Roof Insulation Board

The rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets.

Foam roof insulation board.

Once the roof demo was complete and the flat roof was cleared of any remaining debris some rotted 2x material around the perimeter of the roof was replaced. Consider using spray foam insulation as well to seal smaller cracks and gaps. Polyisocyanurate is another option coming in as the densest and more expensive option for foam board. Foam board insulation is easy to use and is a great diy way to add some insulation.

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. R 5 scored square edge rigid foam board insulation sheathing model 20we view the owens corning exterior insulation 18 98 18 98. Click to add item insofast ux 2 0 r 8 5 eps foam board insulation panels 40 sq. Click to add item johns manville fiberglass face polyiso roof decking insulation 4 x 8 to the compare list.

Ft to the compare list. Set your store to see local availability. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Insulating boards are just one of the many types of foam insulation.

Shop at lowe s to find the foam sheeting you need for your next insulation project. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency. High thermal closed cell polyisocyanurate foam core insulation board bonded in the foaming process to duraboard. Some types of thicker foam board insulation are available but they may need to be special ordered.