QuinLine® 74 System – the latest standard among the 70 systems
The QuinLine® 74 System’s revolutionary 5-chamber frame technology stands for optimum living convenience and an exceptionally high level of energy efficiency. It offers entirely new possibilities, thanks to its excellent features, and is suitable for a wide variety of applications ranging from the renovation of existing homes to the construction of new low-energy houses.
- Sash mounting depth 74 mm; frame mounting depth 174 mm
- Heat conductivity coefficient Uf = 1.5 W/(m2K)
- Suitable for insulation glazing up to 46 mm thick