Crown Industries

The patented SST-II Hydraulic Bi-Folding System opens vertically, allowing smooth, quiet access between environments with just the press of a button. By incorporating the SST-II Bi-Folding door or window System, the barrier between interior and exterior vanishes and the ambience of the outdoors is allowed to flow in.

The Single-Swing is the premier, hydraulically-operated, single-piece doorwindow in the market, today. The Single-Swing offers a larger range of available sizes, the largest clear opening height and quicker speeds. The Single-Swing Hydraulic System is perfect for any application from industrial facilities to commercial storefronts.