• Certified Thermal Details and Products scheme

    Certified Thermal Details and Products scheme

    Independently assessed and certified by BRE Global



    Number of results: 5
    Detail Number Product Name Junction type Developer Wall type Wall / Roof U-value
    (W/m2K)
    SAP K1 ref BRE Ψ-value
    (W/mK)
    BRE Temp. factor (ƒ)
    600003 CavityTherm (100 mm) Opening - sill Xtratherm UK Ltd Cavity wall 0.2 E3 0.031 0.85
    600004 CavityTherm (100 mm) Opening - sill Xtratherm UK Ltd Cavity wall 0.2 E3 0.013 0.95
    600005 CavityTherm (100 mm) Opening - sill Xtratherm UK Ltd Cavity wall 0.2 E3 0.023 0.95
    600127 Reflect 200 - Timber Frame Opening - sill Cygnum Timber Frame Ltd Timber frame 0.15 E3 0.000 0.046
    300325 NBT Systems Opening - sill Natural Building Technologies Ltd Timber frame 0.21 E3 0.019 0.91