FTT U6 is a roof window for energy-efficient construction with a U6 glazing unit and widened sash frames.
• Window U-value Uw: 0.8 W/m²K
• 6HT-18-4H-18-33.2T glazing unit with argon, acoustic insulation Rw 38 dB
• Widened sash frames and five seals to reduce thermal bridging
• Pine wood, glued in layers and vacuum impregnated
• TopSafe system for increased burglary resistance
• Suitable for roof pitches 15-70°
Dimensions:
55×98, 66×98, 66×118, 66×140, 78×98, 78×118, 78×140, 78×160, 94×118, 94×140, 114×118, 114×140, 134×98 [cm]
| FTT U6 | TECHNICAL DATA | |
| Parameter | Value |
| Roof pitch | 15-70° |
| Window U-value (U6) | 0.8 W/m²K |
| Glazing U-value (U6) | 0.5 W/m²K |
| Acoustic insulation Rw (U6) | 38 dB |
| Glazing unit (U6) | 6HT-18-4H-18-33.2T |
| Inert gas filling (U6) | argon |
| External glass toughened (U6) | + |
| Number of varnish coats (U6) | 2 |
| Number of seals (U6) | 5 |
| Handle (U6) | Elegant |
