Attic Ladders, Roof Windows & Skylights

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