Dupont XPS 250 Blue Board - All Sizes Size:1 in. x 4ft. x 8ft (R5) most fiberglass insulation has an

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

5" x 15" x 32' 40 3

customers have found the Knauf EcoBatt R-38 Unfaced Fiberglass Insulation Batts to be an environmentally friendly

Ideal for bead applications to seal small gaps

Dupont XPS 250 Blue Board - All Sizes Size:1 in. x 4ft. x 8ft (R5) most fiberglass insulation has anPlease 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