First, let’s start with what is a rooftop guardrail/barrier. Unlike a warning line or bump line system, a guardrail system is intended to prevent roof workers from an injury or fatal fall. A guardrail is a form of fall protection referred to as a roof barrier, protecting personnel working near the roof edge. It comprises of uprights, top rails, mid rails, weighted base plates, and various clamps and screws. Not having a parapet on the roof poses a risk of tools falling to the levels below. In these cases, you will find that some of these roof barrier designs include a toe board.

Roof guardrails are manufactured in various materials and can be either fixed to the roof or non-penetrating, freely standing with a weighted base plate. Both options are permanent solutions, but with the non-penetrating design, you have the flexibility to move the guardrail around the roof with ease. This is becoming a popular solution as it requires minimal on-site setup time, especially if you are looking at our modular RoofBarrier system.

Warning barriers and bump lines are intended to visually warn roof workers of a potential rooftop injury or fall. Ultimately, only alerting you not to pass the warning line without additional safety equipment. Bump lines are usually set up around the work area at least 2 meters (6 feet 6 inches) from the hazard. Common hazards would include a nearby roof edge, an open access hatch, and a glass skylight. These systems are commonly made up of uprights, a weighted base plate in order to be freestanding, a chain or rope linking the uprights together, and several high visibility flags that are not too far apart.

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