Lake views from all angles
Now with even more flexibility: thanks to its sophisticated technology, the Bi-Fold Door is the ideal solution for nearly all building projects. The perfect product for private living space as a classic exterior element, as a bespoke solution for wintergardens, as a multi-functional entrance for lobbies and as noise and weather protection on balconies or for façades. The Bi-Fold Door meets every requirement. Its core piece is the new bionicTURTLE – the multifunction insulating thermal break scores with outstanding structural and U values despite its minimal sight line of only 99mm. 30 years of expertise represent endless combination options, the slimmest sight line and perfect functionality. The Bi-Fold Door is available in two variants: Ecoline and Highline.
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