Key facts

Bi-folding doors SL 80
Bi-folding Doors
Solarlux >
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Windows-Window types >
Windows-Window types >

Product description

SL 80 as well as SL 81 both meet the highest standards in terms insulation values. They achieve the biggest savings in energy costs yet display great design flexibility. You may either choose the rounded Softline profile of the SL 80 or the more angular SL 81. Both Folding Door systems are suitable for swimming pool glazing or commercial façades as well.

Element thickness 80mm, 31mm thermal break, Softline (80) or anglular profile (81), Heat-insulating glass as standard Ug = 1,1 W/m²K (k = 1) with 2 x 4 mm toughened glass, Flush floor track without upstand for unhindered access according to DIN 18025 available, Espagnolettes with 24 mm throw lock the panels into the top and bottom track of the frame ensuring they withstand gales and affort high security, Can be combined with window system: tilt and turn, parallel slide and tilt, fixed units, glass thicknesses from 24 to 40 mm availlable, Uw = 1,7 W/m²K nach DIN EN ISO 10077-1:2000 on basis of a three panel folding façade, W x H 2700 x 2300 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.