Thermowall panels comprise of two layers of concrete with a layer of insulation sandwiched in between.

They are connected together with non-metallic low conductivity ties to ensure that the panels remain thermally efficient and there is no ‘cold bridging’ between the layers.

Either as part of Crosswall Construction, or as fixed to a steel or concrete frame, Thermowall insulated sandwich panels offer the chance to drive down a building’s energy consumption levels compared to traditional construction.

They achieve this by utilising the following factors inherent in their design:

  • Thermal mass
  • Good insulation values
  • Excellent air tightness
  • No cold bridging

Traditionally, the inside and outside skins of walls are connected with metallic ties which allow thermal bridging from the external face to the inside of the building. Our Thermowall insulated sandwich panels replace the metallic ties with “Thermomass” composite ties with a conductivity value of 0.3W/m2K enhancing the performance of the insulation.

The types of ties, usually known as connectors, do not have the same constraints as blockwork ties and hence insulation thicknesses can be increased.  There is the potential to achieve ‘U’ values of 0.1W/m2K or below. The environmental benefits of this system over the life cycle of a building are enormous.

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