Psi Value Selector






Psi Value Calculations

Select your wall construction to calculate the Psi value achieve when using Hi-Therm Lintels

External Leaf

Cavity Width

Cavity Fill

Insulation

Internal Leaf

Brick 102mm 0.77W/m.K

Nothing is selected yet.

  • Psi Value
    0.054
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.068
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.077
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.052
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.076
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.051
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.076
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Partial fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.048
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.600

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.600

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.600

  • Psi Value
    0.048
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.048
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Partial fill

    Low Emissivity Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.036
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.047
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.053
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.034
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.045
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.052
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.032
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.044
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.051
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Pumped Bead 0.033 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.030
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Pumped Bead 0.033 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.043
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Pumped Bead 0.033 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Pumped Bead 0.033 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.030
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Pumped Bead 0.033 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.043
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Pumped Bead 0.033 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Pumped Bead 0.033 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Pumped Bead 0.033 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Pumped Bead 0.033 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Pumped Bead 0.033 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Pumped Bead 0.033 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Pumped Bead 0.033 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Pumped Bead 0.033 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Pumped Bead 0.033 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Pumped Bead 0.033 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Pumped Bead 0.033 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.036
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.036
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.047
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.047
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.053
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.053
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.034
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.034
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.045
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.045
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.052
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.052
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.032
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.032
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.044
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.044
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.051
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.034 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.051
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.037 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.030
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.030
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.037 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.043
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.043
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.037 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.034 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.037 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.030
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.030
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.043
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.043
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.034 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.037 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.037 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.037 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.034 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.037 W/mK

    Lightweight aggregate block < 0.600 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.037 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.037 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.034 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.037 W/mK

    Lightweight aggregate block < 0.649 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.034 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.028
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Mineral wool 0.037 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.034 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.042
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Mineral wool 0.037 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.034 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Mineral wool 0.037 W/mK

    Dense block < 1.33 Conductivity

  • Psi Value
    0.036
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.045
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.110 Conductivity

  • Psi Value
    0.035
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.045
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.150 Conductivity

  • Psi Value
    0.034
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.044
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.049
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Aerated block < 0.190 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.280 Conductivity

  • Psi Value
    0.050
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultra lightweight aggregate block < 0.310 Conductivity

  • Psi Value
    0.048
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.600

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.600

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.600

  • Psi Value
    0.048
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.048
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    100mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.067
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    125mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

  • Psi Value
    0.075
    W/m2K

    Wall Construction Selected

    Cavity width:

    Cavity fill:

    Insulation:

    Internal leaf:

    150mm

    Full fill

    Rigid Insulation Board < 0.022 W/mK

    Ultralight Weigth aggregate blocks 0.649

Materials that will be constant;

Brick 102mm 0.77W/m.K (Thermal Conductivity)

Mortar 0.400

Lintel Steel 50.00

GRP 0.200

Sealant 0.350

Plaster Dabs 0.4

Plaster Board 0.190

Plaster Dab Airspace 0.067

Calculations where partial fill insulation
is used assume a minimum clear cavity of 50mm.