Our folding systems, for doors up to 250 lbs. (113 kg), have evolved beyond the standard bi-folding doors, to now include modernized systems, such as our Center Pivot System, that can create pivoting and stackable room dividers. For smooth and quiet door operation, we offer systems with precision ball bearings and nylon wheels. Adjustable door stops are included to save time on installation. All folding systems are offered in clear, bronze or black anodized, or mill finish. Custom finishes are also available.