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.
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.
Type i thermal resistance.
To compare the old gsa specs with the new please refer to tables 1 and 2.
Foamular extruded polystyrene xps insulation astm c578 types and physical properties this table outlines the basic physical property requirements of astm c5781 and foamular xps insulation compliance.
Its extruded polystyrene xps construction provides superior moisture resistance.
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.
The products are organized left to right in ascending compressive strength.
Classification of polystyrene board insulation.