Extruded Polystyrene Insulation For Roof Rigid

Extruded polystyrene is manufactured to comply with astm c578 standard specification for rigid cellular polystyrene thermal insulation astm c578 is also the primary reference standard used for specifying polystyrene insulations meaning it defines physical properties for both extruded polystyrene xps and expanded polystyrene eps.

Extruded polystyrene insulation for roof rigid.

Protected roof membrane assembly prma is a simple and effective method concrete roof insulation method while also protecting the waterproof membrane. Extruded polystyrene xps foam is a rigid insulation that s also formed with polystyrene polymer. Foamular extruded polystyrene insulation is placed directly over the waterproof membrane providing protection for the membrane but also creating a continuous thermal barrier on the roof. Thermapink tapered roof insulation provides a thermally effi cient moisture resistant positive drainage slope for use under single ply or other types of roofi ng systems.

Polyisocyanurate pir extruded polystyrene xps expanded polystyrene eps or styrofoam. For a 1 in thick panel. Owens corning foamular 250 extruded polystyrene xps rigid foam insulation is a closed cell highly moisture resistant rigid foam board well suited to meet the needs for a wide variety of residential and commercial construction applications. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and.

Foamular xps roof insulation for commercial buildings page 5 foamular xps roof insulation for commercial buildings foamular xps insulation is a rigid foam insulation which meets the needs of today s design professionals for a truly sustainable insulation product. Polyiso vs xps vs eps. The irma concept is also utilized for insulating building walls where. The products are easy to handle score cut and install and no special tools are needed.

Xps is more common for below grade waterproofing and roof systems where insulation is placed over the roof membrane irma or inverted roof membrane assembly. Extruded polystyrene xps rigid foam insulation provide performance and value in low slope roofi ng systems and are designed to be used over structural roof decks. When building or renovating a high performance building envelope there are really three main kinds of rigid foam panels you are going to have to choose from polyisocyanurate known as polyiso pir extruded polystyrene xps often called styrofoam and expanded polystyrene eps. Extruded polystyrene xps easily recognized by its blue green or pink color falls in the middle of the three types of rigid foam insulation in both cost and r value used most in walls or below grade applications recyclable and at about r 5 per inch costs around 42 per sq.

The average cost of extruded polystyrene insulation is 0 42 sq ft. For a 1 in thick 4 8 panel. The average r value is r 5. Expanded polystyrene eps with the highest r value per dollar eps is used for roof wall and floor insulation.