Roof Insulation Foam Board

Rigid foam board is just above the roof deck or an exterior insulation option.

Roof insulation foam board.

Roofing insulation and cover boards our broad line of polyiso insulation products can address your r value requirements. It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. The purpose of the requirement that rigid foam installed above roof sheathing meet certain minimum r values is to ensure that the roof sheathing stays warm enough during the winter to avoid moisture accumulation and possible sheathing rot. 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.

We are a pima member and are audited by their qualitymark program. We have a wide range of facers that cover all astm type ii designations and we offer a full line of composite products. Some types of thicker foam board insulation are available but they may need to be special ordered. Click to add item insofast ux 2 0 r 8 5 eps foam board insulation panels 40 sq.

Owens corning foamular 150 1 in. 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. Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels. Consider using spray foam insulation as well to seal smaller cracks and gaps.

Insulating boards are just one of the many types of foam insulation. It typically has 3 variations. Set your store to see local availability. R panel is manufactured with a closed cell polyisocyanurate foam core bonded to fiberglass reinforced facers and designed for use over metal nailable and non nailable roof decks with a variety of membrane systems.

The later is used in new construction as the interior board serves as an inner wall. Buy 48 or more 15 18. Foam board insulation is easy to use and is a great diy way to add some insulation. Click to add item johns manville fiberglass face polyiso roof decking insulation 4 x 8 to the compare list.

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. Johns manville r panel rigid roof insulation board offers r values of up to r 23 6 providing high thermal efficiency.