Thermalite Aircrete Hi-Strength 10 Block

Thermalite Hi-Strength 10 has been specifically developed for structural applications where loading conditions require greater strength, such as flats of three storeys and above, offices, supermarkets and retail parks.


  • Superior strength (up to 10.4N/mm2 equivalent)
  • Available in a range of thicknesses
  • 80 per cent recycled content
  • Moisture resistance
  • BES 6001 Responsible Sourcing certification

Key Data

Compressive Strength: 9 N/mm²

λ Design: 0.19 W/m.K

Dry Density: 770 kg/m³

Working Dimensions

Face dimensions (mm): 440 x 215

Dimensions and Weights

Block thicknesses and weights at equilibrium density (for 440 x 215mm)

Height Length Width Dry Weight
215mm 440mm 100mm 7.8kg
215mm 440mm 140mm 10.9kg
215mm 440mm 150mm 11.7kg
215mm 440mm 190mm 14.8kg
215mm 440mm 200mm 15.6kg
215mm 440mm 215mm 16.8kg
215mm 440mm 275mm 21.4kg
215mm 440mm 300mm 23.4kg
215mm 440mm 355mm 27.7kg

Cavity Walls
Separating Walls
Solid Walls

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Thermalite Guide

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