AluK’s high performance 77 window and door system has been given a comprehensive update to ensure it not only complies with the 2022 updates to Part L of the Building Regs but is also ready for the 2025 Future Homes standard.

Also part of the update are the new AluK Novae handle designs available in black, white and silver to suit any interior finish and décor, and additional hinge options including face fixed, slimline barrel or fully concealed. A new mid rail means doors can now be fabricated with solid panels at the bottom if required in either single or double configurations.

The 77 system meets the 1.2 W/m2K U-Value limit set for Part L compliance in new builds using standard, cost-effective 1.0 centre pane double glazing. If even lower U-Values are required, then it can also accommodate triple glazing to achieve as little as 0.8 Wm2K, which is the expected target in the 2025 Future Homes standard.

Also, the system has now been given new glazing foams and centre seals to enhance the wind and water resistance and has passed the PAS24: 2016 security test.

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