FTT R3 Roof Window
Description
FTT R3 is a roof window for energy-efficient construction with increased acoustic insulation Rw 42 dB.
• Window U-value Uw: 0.81 W/m²K
• 8H-16-4HT-18-33.2SIT glazing unit with argon, acoustic insulation Rw 42 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°
Specifications
FTT R3 | TECHNICAL DATA
- Roof pitch
- 15-70°
- Window U-value (R3)
- 0.81 W/m²K
- Glazing U-value (R3)
- 0.5 W/m²K
- Acoustic insulation Rw (R3)
- 42 dB
- Glazing unit (R3)
- 8H-16-4HT-18-33.2SIT
- Inert gas filling (R3)
- argon
- External glass toughened (R3)
- +
- Number of varnish coats (R3)
- 2
- Number of seals (R3)
- 5
- Handle (R3)
- Elegant
