Upvc Folding Door

A folding door is a type of door which opens by folding back in sections or so-called panels. folding door. noun. a door in the form of two or more vertical hinged leaves that can be folded one against another.Bifolding door is the most common term to describe a series of door panels that open and fold there are other names used. Concertina doors, accordion doors, slide and fold doors, slide and turn doors and folding doors are all common names used to describe them.A bifold door features two or more panels hinged together at the ends so that, as they slide open, they easily “fold” or stack together and come to rest off to one side. To close, the panels slide from the stack and begin to straighten out again, finishing end to end.