FHC introduced the FHC Advance Series Herc-Door frameless door rail system. Designed, engineered and manufactured in the U.S., the Herc-Door rail and patch fittings present glaziers and fabricators with an innovative solution that provides faster, easier installation with accelerated lead times. Features include an innovative unitizing gasket and dual inclined control system, as well as new, modern crisp corner design, Class 1 anodizing UV stable finishes and solid forged brass plated end caps with premium finishes.