Roof Insulation Foam Sheets

View and learn more about commercial roofing insulation.

Roof insulation foam sheets.

Foam insulation comes in sheets that you have to butt together on the roof. This eliminates thermal bridging which is the energy lost through wall studs. 2 in x 2 ft x 8 ft. The 1x roofing boards which also made up the ceiling of the garage had nice gaps that you could see the ceiling joists through.

R tech rigid foam insulation r tech panels are an engineered rigid insulation consisting of a superior closed cell lightweight and resilient expanded polystyrene eps with advanced polymeric laminate facers. R tech is available with factory adhered metallic reflective facers white facers or a combination of the two. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. Add to list click to add item owens corning r 1 extruded polystyrene fanfold underlayment foam insulation 1 4.

Click to add item johns manville fiberglass face polyiso roof decking insulation 4 x 8 to the compare list. At firestone building products we offer more than just roofing and building solutions. The rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets. Shop at lowe s to find the foam sheeting you need for your next insulation project.

The panels provide a continuous energy efficient surface. Polyisocyanurate is another option coming in as the densest and more expensive option for foam board. Shipping add to cart. 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.

After securing these with appropriate fasteners you need to tape the edges with foil tape. Some types of thicker foam board insulation are available but they may need to be special ordered. 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. This foam can be used on either the outside or the inside of the sheathing.

This is different from the normal roll up type of insulation as it comes in panels rather than paper covered fiberglass. Foam board insulation is easy to use and is a great diy way to add some insulation. 1 937 in x 1 937 ft x 7 812 ft 1 unfaced polystyrene foam board insulation.