Roof Foam 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.

Roof foam insulation board.

Use closed cell spray foam closed cell foam board extruded polystyrene such as dow styrofoam or foil faced iso board. Rigid roof insulation board. Foam board insulation is easy to use and is a great diy way to add some insulation. The rigid foam board insulation we used was 2 thick and came in 4 x 8 sheets.

It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. It will help you to eliminate problems that may come when the house becomes extremely cold in the winter and terribly hot in the summer. Ft to the compare list. You don t want moist air leaking into the roof cavity.

Composed of a closed cell polyisocyanurate foam core bonded in the foaming process to 1 2 thick duraboard an expanded perlite mineral aggregate board on one side and a fiber glass reinforced facer on the other. Some types of thicker foam board insulation are available but they may need to be special ordered. It s light weight provides ease of handling. Polyurethane spray foam metal roof insulation in order to add moisture barrier under metal roof you can spray the undersides of the roof by using a thick layer of polyurethane spray foam.

Insulating boards are just one of the many types of foam insulation. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency. Click to add item insofast ux 2 0 r 8 5 eps foam board insulation panels 40 sq. Consider using spray foam insulation as well to seal smaller cracks and gaps.