Classification of polystyrene board insulation.
Dow extruded polystyrene board insulation type iv.
Utilityfit 15 psi extruded polystyrene xps foam insulation is a styrofoam brand solution manufactured as a versatile utility grade product for applications that require a high r value and outstanding moisture resistance without the need for high compressive strength.
Product information general purpose insulation for roofing wall and foundation applications requiring 25 psi minimum compressive strength greenguard type iv 25 psi insulation board is an ideal exterior insulation meeting your needs for multiple applications.
Its extruded polystyrene xps construction provides superior moisture resistance.
Type i thermal resistance.
Extruded polystyrene xps rigid foam insulation energy saving moisture resistant xps insulation astm c 578 type iv 25 psi minimum description owens corning foamular 250 extruded polystyrene xps insulation is a closed cell moisture resistant rigid foam board well suited to meet the needs for a wide variety of building applications.
Styrofoam brand scoreboard extruded polystyrene foam insulation is an extruded polystyrene foam insulation board that is scored longitudinally on 16 and 24 centers making it easy to size to commonly used widths cut and install.
Designed primarily for building insulation the specification does not cover cryogenic applications.
Classifications for the five types of polystyrene insulation are as follows.