Bi-fold window similar to Bi-fold doors are high end architecture design that can elevate your house functionality while providing superior aesthetic look. Bi-fold windows are well known for its benefits of providing ample natural lighting, outside/inside access opening, taking up very little space, and maximum unintrusive opening from the window size.
Commonly bi-fold windows are used between living spaces where large opening of window used for sense of opening, and use opening for functional requirements, such as kitchen side bi-fold window opening to alfresco kitchen/bbq area.