Key facts

Bi-Folding Doors | Highline
Bi-folding Doors
Solarlux >
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Windows-Window types >
Windows-Window types >

Product description

Highline Bi-Fold Door

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. 35 years of expertise represent endless combination options, the slimmest sight line and perfect functionality. 

Overall depth 84 mm
Panel up to 3,5 m high & 1,1 m wide
Weight of up to 110 kg
Glass thickness from 22 – 62 mm

Product family


The custom-made bi-folding doors are very easy to open or close – possible in every favored with, within the whole front. The wings slide silently and easily ether right or left, to the inside or the outside. Even in a closed condition the glacing gives a feeling of huge transparency. With an allover openness the light-flooded room offers a view right into the garden, on a mountain or a lake.