The Only Hydraulically-Operated Bi-Fold System Available Today!

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.

Design the SST-II into your interior spaces and watch walls disappear, allowing light and motion to easily move throughout.