Molded Polystyrene Board Insulation

Polystyrene resin beads or granules in a mold.

Molded polystyrene board insulation.

Expanded polystyrene is very versatile because it can be molded and cut into different. Owens corning foam insulation llc one owens. Xps is extruded polystyrene. Class b insulation board shall be formed by the expansion of poly styrene base resin in an extrusion pro cess.

Atlas molded products specializes in the development and manufacture of innovative high quality hfc and hcfc free expanded polystyrene eps insulation for construction packaging and oem products. Eps is expanded polystyrene also known as molded polystyrene. Polystyrene insulation is manufactured in a variety of board sizes usually a minimum of 1 inch thick. Foamular 250 xps insulation is ideal for many residential and commercial.

For over 50 years insulfoam has been enabling building professionals to construct high quality building insulation systems at a minimal cost. Astm c578 10 standard specifi cation for rigid cellular polystyrene thermal insulation. 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. 1 1 this specification 2 covers the types physical properties and dimensions of cellular polystyrene boards with or without facings or coatings made by molding eps or extrusion xps of expandable polystyrene.

Insulfoam is a division of carlisle construction materials a wholly owned subsidiary of carlisle companies nyse. Excavated after 15 years as a below grade foundation insulation the molded polystyrene had retained 94 of its published r value and contained only 4 8 moisture content. The low thermal conductivity high compressive strength and excellent shock absorption properties of polystyrene make it an ideal material for residential and commmercial building insulation shipping and packaging material and to shape foundry patterns for metal casting. The r value at the time of excavation showed that molded polystyrene is less affected bymoisture content than xps.

Eps is made of 98 trapped air and only 2 plastic making it an efficient insulator with a small amount of raw material. Csl and is the nation s largest manufacturer of block molded expanded polystyrene eps. Published by astm international 100 barr harbor drive po box c700 west conshohocken pa 19428 2959 2. Expanded polystyrene insulation more commonly referred to as eps is a closed cell insulation that has been around since the 1950 s.

Products manufactured to this specification are intended for use as thermal insulation for temperatures from 65 to 165 f 53 9 to 73 9 c.