Sliding door with runner rail has threshold as lower frame element, tread surface, water-drainage plate, crown piece, groove and insulating piece

摘要

The extruded, preferably aluminum lower frame element of the sliding door is in the form of a threshold (20) the upper side of which (23) has a tread surface (21) and a water-drainage plate (22). The inside (31) of the frame element has an insulating profiled section (33) and groove (32). The lower frame element has a threshold-crown part positioned on the horizontal tread surface.