FTT U8 Thermo* with coefficient Uw=0.58W/m2K (equivalent R-Value 9.8)
FTT U6 - with coefficient Uw=0.8W/m2K (equivalent R-Value 7.1)
* test result for the whole roof window (FTT U8 Thermo) with EHV-AT Thermo flashing testing compliant with EN ISO 12567-2, equivalent R-Value 9.8
Roof Window: FTT – THERMO Triple (U6, R=7) or Quadruple (U8, R=9.8) glazed, Noise Cancelling Pivot Window Deck Mounted, Installation range from 15 to 70 degrees