Thermalite Shield Block 100mm

Thermalite Shield Blocks deliver all the typical qualities of Thermalite blocks with excellent thermal performance and moisture resistance. The blocks are versatile and can be used in internal and external walls and foundations. They offer high thermal and sound insulation while also providing a sturdy, durable building material.


  • For use with general purpose masonry
  • dimensions: 440mm x 215mm x 100mm
  • High Thermal Performance
  • For use in cavity walls, partition walls & foundations
  • Compressive Strength: 3.6N/mm²
  • Design: 0.15 W/m.K
  • Dry Density: 600 kg/m³
  • Eight Scratch markings to identify block

IG Lintel Heavy Duty 3200mm

HEAVY DUTY IG LINTEL LS/HD100 IG HEAVY DUTY lintels satisfy the thermal performance requirements of England and Wales’ Part L of the building regulations, Northern Ireland’s Part F and Scotland’s Technical Handbook, section 6. Our HEAVY DUTY L1 range has Psi values ranging from 0.2 to 0.3 W/m.k. The exact figure of your Psi value depends upon the wall construction the lintel is built into.