Keylite Flat Roof Domes

Keylite Flat Roof Domes (FRD) are thermoformed from polycarbonate sheets in triple skin construction. Polycarbonate is virtually unbreakable, with an impact strength 250 times greater than glass.

  • Triple skin polycarbonate (clear/frosted/heat reflective) and a PVCu 300mm splayed upstand
  • U-Value of 1.3 W/m2k
  • Full range of ventilation, access, upstands etc.
  • Factory fitted patented high security screwbolts


  • Extruded Multi Chamber PVCu proprietary upstand
  • Pre-finished white internally
  • U-Value of 1.0W/m²k independently Hot Box tested
  • Can accomodate up to 150mm of roof insulation
  • Suitable for build-up felt, asphalt, single ply, hot melt and liquid applied membranes

Keylite Flat Roof Domes have a 10 year guarantee.

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