Dupont XPS 250 Blue Board - All Sizes Size:1 in. x 4ft. x 8ft (R5) to various substrates

to various substrates

and installation quality

Specially designed to work in conjunction with Soudal Foam

safety goggles or glasses

most fiberglass insulation has an R-value of between R-11 and R-38

Dupont XPS 250 Blue Board - All Sizes Size:1 in. x 4ft. x 8ft (R5) to various substratesPlease 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