[Translate to International (English):] Verdeckte untere Führung

Hidden tracks

To prevent grit, gravel or other objects from getting stuck in the sill’s guide grooves and thus impairing the movement of the door panels, we offer a hidden track version.
In this case, the sill creates a flat surface without any guide grooves, the

fast door panel is guided from below over a metal plate that is folded 180°.
The slow panel(s) is/are guided either on a roller set on the sill or in the outer guide grooves in the sill.

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