My Quote (0 total item(s))
My Quote

Currently your quote basket is empty.

If you would like us to quote you a price for any product(s) please select your product(s), quantity required and then follow the on screen instructions to receive a quote.

    Get My Quote Continue Browsing



    Flat Roofs

    Product Type:

      Extruded Polystyrene (XPS)

    Market Sector:


    Polyfoam Roofboard Super

    Product Description:

    Thermal and structural insulation of heavy traffic flat roofs eg car parks


    The declared thermal conductivity of Polyfoam Roofboard Super is 0.034W/mK for 50 and 60mm boards and 0.036W/mK for 80 and 100mm thicknesses.

    The design thermal conductivity, including the moisture correction factor of the boards, is 0.036W/mK for thicknesses ≤60 mm. For thicknesses ≥ 80mm it is 0.038W/mK.


    Polyfoam Roofboard Super is a rigid, lightweight extruded polystyrene (XPS) insulation. In addition to  a lambda values as low as 0.034 W/mK, the thermally efficient foam board is also robust and moisture resistant and able to resist freeze/thaw cycles, making it ideal for high load inverted roofs and car park decks.


    • Very high compressive strength of 500 kPa
    • XPS insulation is unique among widely-available thermal insulation materials for its tolerance of freeze/thaw cycles
    • Polyfoam XPS insulation is a robust solution that will stand up to the demands of any construction site
    • Global Warming Potential (GWP) <5
    • Zero ozone depletion potential (ODP)
    • Polyfoam XPS products are free from CFCs and HCFCs


    Polyfoam Roofboard Super is used for the thermal insulation of flat roofs and can be used:

    • in roofs subject to high loads such as roof top car parks
    • in an inverted roof below ballast or paving slabs
    • in a green/garden roof
    • in a flat roof with a single ply membrane


    M4 Product Table

    Encon Product Code Product Description Unit Type Quantity
    24V050 P'FOAM R'BRD SUPER 1250x600x 50mm (8) PACK
    24V060 P'FOAM R'BRD SUPER 1250x600x 60mm (7) PACK
    24V080 P'FOAM R'BRD SUPER 1250x600x 80mm (5) PACK
    24V100 P'FOAM R'BRD SUPER 1250x600x100mm (4) PACK