Bifold doors, Sliding folding Doors

bifold doors, sliding folding, concertina doors

Unique slide and fold dual hollow aluminium system. The doors which sit in a rebated frame have an external curved shape with internal beading. Bottom wheels and top glider are safely concealed within a dedicated floating mullion with the door leafs being joined by a butt type knuckle hinge. Suitable for domestic and light / medium / heavy duty commercial applications. Also more commonly known as Sliding folding doors or concertina doors.