- Uf thermal transfer coefficient value: 0.19
- Whole window U values 0.14
- backstop gasket system with two sealing levels
- glazing thickness up to 51 mm
- classical sash design
- Â tested burglar resistance class RC2
- six chamber profile system
- excellent sound insulation up to noise insulation class IV
- available in numerous decor variation and with aluskin aluminum shells
- Passive House High-performance building material
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