Dupont XPS 250 Blue Board - All Sizes Size:2.5 in. x 4ft. x 8ft (R12.5) and clean finish when dispensing

and clean finish when dispensing foams

and prevent mold and mildew

which makes it suitable for roofing applications

The membrane is specifically formulated for long-term weather resistance without the use of either polymeric or liquid plasticizers

Dupont XPS 250 Blue Board - All Sizes Size:2.5 in. x 4ft. x 8ft (R12.5) and clean finish when dispensingPlease Note We Can Not Ship To The Following States: California, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Rhode Island, Vermont, Virginia, Washington XPS Insulation Blue Board is nonstructural, rigid board insulation manufactured of Extruded Polystyrene Foam (XPS). Blue Board can be used both on the exterior and interior walls to give you a continuous insulation barrier that can increase the