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    Product Range:


    Product Type:

      Insulation - Rigid Foam

    Knauf Insulation Polyfoam EcoStud (49E)

    Product Description:

    EcoStud is used for the thermal insulation of solid walls and is installed in conjunction with the Earthwool® EcoBatt  as part of the Knauf Insulation Internal Wall Insulation system


    EcoStud (patent pending) is a thermally engineered composite of high performance extruded polystyrene bonded to Oriented Strand Board 3 (OSB 3).


    EcoStuds are part of our Internal Wall Insulation System and are installed in conjunction with EcoBatt. They are available in a variety of sizes to suit the thermal performance requirements of individual projects.


    • Excellent thermal performance

    • High compressive strength

    • Highly resistant to water absorption

    • Structurally stable in the long term

    The extruded polystyrene in EcoStud has a thermal conductivity of 0.030W/mK, the Oriented Strand Board has a thermal conductivity of 0.130W/mK.



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