• Certified Thermal Details and Products scheme

    Certified Thermal Details and Products scheme

    Independently assessed and certified by BRE Global



    Number of results: 4
    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)
    600001 CavityTherm (100 mm) Opening - lintel Xtratherm UK Ltd Cavity wall 0.2 E2 0.023 0.93
    600002 CavityTherm (100 mm) Opening - lintel Xtratherm UK Ltd Cavity wall 0.2 E2 0.004 0.97
    600128 Reflect 200 - Timber Frame Opening - lintel Cygnum Timber Frame Ltd Timber frame 0.15 E2 0.172 0.84
    300324 NBT Systems Opening - lintel Natural Building Technologies Ltd Timber frame 0.21 E2 0.021 0.93