Welcome to the AECB Forums Building Simulation Enerphit ground floor insulation and temperatures

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    Rachel Mitchell

    I am looking at an Enerphit job, the ground floor is assumed to be concrete slab with between 25mm and 50mm of screed. The client does not want to add any floor insulation for cost/disruption reasons and wants to rely on adding edge insulation internally and externally – there is an integrated garage

    Enephit requires that the design internal temperature is at least 170C – so a couple of questions

    1. Is this temperature calculated in the 'ground' worksheet and if so where?
    2. Can you model two types of perimeter insulation?

    As assistance or suggestions would be very helpful

    Mark Siddall

    Hi Rachel,
    1) Use thermal bridging calcs to determine the surface temp at the junctions.

    2) You can model two types of perimeter insulation – you copy/clone the worksheet.


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