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DURABELLA uses  top-quality thermally isolated aluminium profile systems for its aluminium windows and aluminium doors. The high-quality aluminium window and door elements impress with their elegant details in a slimline, beautiful aluminium look. KELLER supplies its aluminium windows and doors as side-hung, bottom-hung, turn / tilt, top-hung versions, parallel opening tilt and slide and large-scale folding and sliding systems.

Aluminium Windows

Frame types,

Design and Safety

Supreme S77

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