TRISO-SOLS uniformly reflects the heat from hot-water underfloor heating systems back up into the room. It also eliminates thermal bridging at the floor perimeter. 


  • Quick and easy installation - can be cut with scissors
  • Reflects heat uniformly back up into the room
  • Eliminates thermal bridging at floor perimeter
  • Ideal for refurbishment
  • Minimal space required: +/- 7mm in thickness
  • Clean and free from irritant fibres
  • Durable
  • Light and easy to transport

TRISO-SOLS can also be used below the screed of a standard floor. Additionally, the polythene film with grid markings facilitates laying of heating pipes.