Custom made Frameless Hinged Bi-Fold Shutters in imported-wood are popular and versatile shutters ideal for wide openings. The Hinged Bi-Fold option is ideal for stacking the panels to one direction or to be hinged to left and right. Maximum panels on a Hinged Bi-Fold application is 2 panels to each end or all panels to be stacked to one end with moveable blades.