Dow Span BE 2x4x8 20PSI
$0.00 / SHEET
STYROSPAN™ Extruded Polystyrene Foam Insulation is a versatile, utility-grade product manufactured for applications that require a high R-value (or RSI) and excellent moisture resistance without the need for high compressive strength. * STYROSPAN™ Insulation combines an R-value of 5. 0 per inch (RSI of 0. 88 per 25 mm) with high moisture resistance and a moderate compressive strength (Type 3)to serve a variety of insulation applications, such as cavity walls, frame walls, and masonry wall interiors and exteriors.