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sliding patio door / triple-glazed / insulated



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The 4+ version of the frameless sliding window is the highly-insulated triple-glazed variant. It is ideal for the low energy and passive house standard.
With modern insulated glass windows it is possible to achieve Uw values of 0.80 W/m²K.

Maximum leaf size up to 12 m² (fixed lights up to 18 m²)
Leaf profile facing width 26 or 34 mm
Maximum leaf height 4,50 m
Maximum leaf weight 1,000 kg
Triple-glazing with insulation glass or special glass up to 56 mm glass thickness
Energy efficient Uw ≥ 0.70 W/m²K
1 to 3-track systems, glass-to-glass corner solutions, solid glass corners and wall inlets for sliding leaves
Threshold and barrier-free
Electric motors with total weight of up to 2,000 kg
Burglar-resistant according to WK2 (RC 2)
Suitable for use in low-energy and passive houses