Hi-Therm Lintel  


Keystone leads the way with the development of a completely unique range of lintels to address the thermal requirements of new building regulations, which require that lintels should be assessed for their effect on the thermal performance of a building. The thermal performance of a lintel is expressed in terms of Psi Values (Ψ) i.e. linear thermal transmittance.

Standard load: HT/S-100, HT/S-110, HT/S-130, HT/S-150
Heavy duty load: HT/HD-100, HT/HD-110, HT/HD-130, HT/HD-150

  • Dimensions Sizes available for cavity widths 90mm - 165mm
  • Material(s) Steel and GRP hybrid
  • Colour(s) Silver
  • Special features Patented GRP and galvanised steel hybrid design. Profiled CFC-free insulation ensures the continuity of insulation. Up to 5 times more thermally efficient than cavity wall lintel with a Psi value of 0.05w/m2k.
  • Suitability/use Standard loading and heavy duty loading on cavity widths from 90mm-165mm