Psi Value Calculator | IG Lintels
Hi-therm+

Wall Construction incorporating Hi-therm+ Lintel.

External Leaf

Cavity Width

Cavity Fill

Insulation

Internal Leaf

Ext. Leaf: Brick 0.770
  • Cavity Width
    • 100mm
    • 125mm
    • 150mm
  • Cavity Fill
    • Full Fill
    • Partial Fill
  • Insulation
    • Rigid insulation board 0.022 W/mK
    • Rigid insulation board 0.018 W/mK
    • Cavity slabs 0.037 W/mK
    • Mineral wool / Blown fibre 0.032 W/mK
    • Pumped bead 0.033 W/mK
    • Mineral wool / Blown fibre 0.034 W/mK
  • Internal Leaf
    • Aircrete block 0.6 conductivity
    • Aircrete block 0.11 conductivity
    • Aircrete block 0.15 conductivity
    • Aircrete block 0.19 conductivity
    • Ultra lightweight aggregate block 0.24 conductivity
    • Ultra lightweight aggregate block 0.28 conductivity
    • Ultra lightweight aggregate block 0.31 conductivity
    • Medium dense block 0.45 conductivity
    • Medium dense block 0.51 conductivity
    • Medium dense block 0.65 conductivity
    • Dene block 1.13 conductivity
    • Aircrete block 1.33 conductivity

  • Psi Value 0.061 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.061 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.061 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Rigid insulation board 0.022 W/mK
    Dene block 1.33 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.057 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.055 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.054 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.055 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.053 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.052 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.052 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.049 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.056 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.054 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.052 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.053 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.053 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.052 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.066 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.061 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.061 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.061 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.070 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.070 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.066 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.061 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.061 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.060 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.059 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.073 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.072 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Aircrete block 0.15 conductivity

  • Psi Value 0.072 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.070 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.07 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.07 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.066 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Pumped bead 0.033 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.066 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Cavity slabs 0.037 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.072 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.071 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.018 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.07 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.069 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.068 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Partial fill
    Rigid insulation board < 0.022 W/mK
    Aircrete block 1.33 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.057 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.055 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.054 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.055 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.053 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.052 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.052 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Dene block 1.33 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.057 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.055 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.054 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.055 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.053 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.052 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.052 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.051 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    100mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Dense block 1.33 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.066 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Dene block 1.33 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.066 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.063 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    125mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Dense block 1.33 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.066 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.032 W/mK
    Dene block 1.33 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.6 conductivity

  • Psi Value 0.067 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.11 conductivity

  • Psi Value 0.066 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.15 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Aircrete block 0.19 conductivity

  • Psi Value 0.065 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.24 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.28 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Ultra lightweight aggregate block 0.31 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.45 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.51 conductivity

  • Psi Value 0.064 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Medium dense block 0.65 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Dene block 1.13 conductivity

  • Psi Value 0.062 W/mK

    Wall Construction Selected

    Cavity width:
    Cavity fill:
    Insulation:
    Internal leaf:

    150mm
    Full fill
    Mineral wool / Blown fibre 0.034 W/mK
    Dense block 1.33 conductivity


Materials that will be constant

Brick 0.770 (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.