The Safety Rail Source, Harleysville, Pa., introduces the new KeeHatch® Railing System manufactured with stronger and lighter galvanized steel. The 25 percent weight reduction allows for easy installation and cheaper freight costs. The original OSHA-compliant system can be mounted on the hatch cap flashing without penetrating the roof curb and without voiding warranties. There are 77 models in stock for any type or make of roof hatch.