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Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 1
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 2
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 3
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 4
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 5
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 6
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 7
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 8
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 9
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 10
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 11
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 12
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 13
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 14
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 15
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 16
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 17
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 18
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 19
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 20
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 21
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 22
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 23
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 24
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 25
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 26
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 27
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 28
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 29
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 30
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 31
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 32
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 33
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 34
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 35
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 36
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 37
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 38
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 39
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 40
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 41
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 42
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 43
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 44
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 45
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 46
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 47
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 48
Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window — 49
Keller minimal windows®

Keller minimal windows® KELLER minimal windows®4+ Aluminium sliding window

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  

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