Bi-fold doors and windows share the same profiles and operating system. Panels are bottom rolling with the weight carried on the sill.
The roller and guide are pivoting inserts within the door stiles thus optimising overall ease of operation. Door panels are 50mm deep and are bead glazed externally on all sides for glass thicknesses of 4-28mm.
Recommended maximum 2700mm high doors in Extra High wind zones
The system is bottom rolling with an in-frame track for optimum panel support
A high-performance series of windows and doors designed for suitability for Extra High and Specific Design applications
A unique split stile feature ensures panels move smoothly when built in large sizes
The track uses an aluminium insert (black anodised) for roller wear
A flush sill track is available for sheltered locations.