Extruded Polystyrene Insulation For Roof Rigid

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.

Extruded polystyrene insulation for roof rigid.

Polyiso vs xps vs eps. The average r value is r 5. The products are easy to handle score cut and install and no special tools are needed. Polyisocyanurate pir extruded polystyrene xps expanded polystyrene eps or styrofoam.

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. Owens corning insulation products help improve thermal performance and control moisture in commercial institutional and. Extruded polystyrene xps foam is a rigid insulation that s also formed with polystyrene polymer. Expanded polystyrene eps with the highest r value per dollar eps is used for roof wall and floor insulation.

The average cost of extruded polystyrene insulation is 0 42 sq ft. Protected roof membrane assembly prma is a simple and effective method concrete roof insulation method while also protecting the waterproof membrane. 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. Eps can be used for ground contact and.

The irma concept is also utilized for insulating building walls where. For a 1 in thick panel. 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. For a 1 in thick 4 8 panel.

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. Rigid foam insulation for commercial roofing. 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. 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.