BIFOLD DOOR THRESHOLD OPTIONS
Your new bifolding door can be supplied with a choice of two threshold options. The weathered threshold is designed for external bifold doors and will normally sit on top of a projecting cill. The low threshold is ideal for internal doors and can be buried in the floor to provide a flush floor level.
WEATHERED THRESHOLD – OPEN IN DOOR SHOWN
The weathered threshold should always be specified for external doors. The long leg(63mm)will face inside the building for doors that stack outwards and outside the building for doors that stack inwards.

OPTIONAL PROJECTING CILLS


LOW THRESHOLD – NON-WEATHERED
The low threshold can be used where the doors are being used as a room divider or for instance, between the house and conservatory. The threshold can be sunk into the floor to provide a flush threshold between two floor areas. The low threshold is not recommended for external applications.

You can view a close-up photo of the low threshold here

