Atlas Bi-Fold Sliding Door KitAtlas Bi Fold Sliding Door Kit Industrial folding power, compact design. The Atlas Bi Fold Sliding Barn Door Kit is engineered for efficiency, elegance, and effortless movement. This industrial grade hardware system is designed to support four door panel bi fold configurations, making it ideal for tight spaces where traditional sliding or swinging doors just won't do . Crafted with heavy duty steel rollers and a matte black finish, this system