Rigid Cellular Polystyrene Thermal Insulation

Astm c578 standard specification for rigid cellular polystyrene thermal insulation is monitored for quality control by ul and is code approved by the international code council evaluation service and ul er 11812 01.

Rigid cellular polystyrene thermal insulation.

C578 92 standard specification for rigid cellular polystyrene thermal insulation products and services standards publications standards products astm c578 92. All rcps thermal insulation. Pir polyiso or iso is a thermoset plastic product typically produced as a foam and used as rigid thermal insulation panel most often with aluminum foil facing. 2 1 2 c578 standard specification for rigid cellular polystyrene thermal insulation 2 2 quality control manual for molders supplying parex usa 2 3 hold harmless and indemnification agreement for insulation board suppliers.

Rcps thermal insulation shall be of uniform density and have essentially closed cells. 2 1 2 c578 standard specification for rigid cellular polystyrene thermal insulation 2 2 quality control manual for molders supplying parex usa 2 3 hold harmless and indemnification agreement for insulation board suppliers. Thermal performance is rated at r6 6 5 per inch but don t count on that if your winters are cold for the reasons we re about to explain. 6 1 rcps thermal insulation shall be formed by the expan sion of polystyrene resin beads or granules in a closed mold or by the expansion of polystyrene base resin in an extrusion process.

Aka styrofoam oextruded polystyrene xps foam insulation is durable rigid foam plastic insulation that is manufactured in sheet form in a variety of strengths through an extrusion process and is typically available up to 3 thick in increments. 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.