RG Thermalite®
The ultimate modular, thermal efficient rooflight for outstanding performance in any application
Combining top quality multi-skin polycarbonate glazing elements with uPVC self-insulated upstands and edge frames, Thermalite rooflights can be confidently specified for virtually any application.
With their excellent thermal efficiency, Thermalite rooflights help to reduce energy consumption to make a contribution to lower carbon emissions.
- Square or rectangular domes and pyramids in a wide range of sizes
- Double or triple skin glazing
- Total product U-value as low as 1.37 W/m²k, exceeding the requirement for Part L compliance
- Design minimises risk of condensation
- Clear, diffused, bronze or opal glazing
- Foamed uPVC upstand requires no additional insulation
- Polycarbonate glazing complies with current BS476 and BS EN13501 fire ratings
- Suitable for use with all popular flat roof finishes
- Secure frame fixing prevents forced entry
- 20 year guarantee
Ventilation & opening options
- Mechanically- and electrically-operated hinged ventilation units
- Controllable trickle ventilation to upstands




