Warning line systems go around the edge of a rooftop work area, providing a clear signal that workers are nearing a hazardous or unprotected area. Made from highly visible materials, they also designate safe vs unsafe areas, alerting workers to different hazards.
Warning lines are not physical restraints and are one part of a comprehensive fall protection system.
The WL31 roof safety line is our warning line system for metal roofs. This product has two mounting types available — self-sealing rivets or non-penetrating seam clamps. Both mounting types offer the same OSHA compliance and high visual awareness to ensure people are kept at a safe distance from fall hazards.
Our freestanding warning line for membrane and built-up roofs features a plastic-coated steel weighted base that is completely non-penetrating and sits on top of the roofing membrane. Aluminum posts are placed 15-30 feet apart and connected by a plastic-coated stainless steel cable. Aluminum danger pennants are attached to this cable every 6 feet to make the line more visible.