Thermalite Hi-Strength 7 Block 150mm

Item Code: 446500605

£3.89 Ex VAT £4.67 Inc VAT

Sign in to buy

Not a Selco member? Get a free Account

  • Available in branch Check your local branch stock
  • Click & Collect Ready to collect within 30 minutes
  • Next Day Courier Delivery Contact your local branch for deliveries


Hi-Strength 7 has been specifically designed for applications such as flats of three storeys and above, offices, supermarkets and retail parks, where loading conditions require a 7.3N/mm² building block. Also suitable for external walls, foundations, partitions and separating walls.


  • For use with general purpose mortar and Thermalite Thin Layer Mortar
  • Strength 7.30 N/mm²
  • Design thermal conductivity 0.18 W/m.K
  • Density 730.00 kg/m³


Weight (kg) 10.7
Load Capacity 7.3N/mm²
Width 150mm