- Installation depth of 70 mm
- 4-chamber construction of profiles
- PRESTIGE system
- Rounded contours of frames and sashes give doors an attractive appearance
- Hardware groove adapted for standard hardware systems
- Possibility of using double-glazed windows with a width of up to 52 mm, which allows the use of safe glazing with high thermal properties
- Ud = 0.84 W/m2*K
- Heat penetration coefficient for basic doors*, double-glazed windows: Ug = 0.5 W/m2*K
- Heat penetration coefficient for basic doors*, double-glazed windows Ug = 0.5 W/m2*K
- The size of the basic door is 1230 mm x 2180 mm
- Energy efficiency
- Noise isolation
- Static strength
- Color range