Strong. Protective. Gladiator. When it comes to roof safety we are very concious of the needs of the building owners and individuals that have access to the roof. We are proud to offer an external safety cage roof safety product that can be installed at the same time as the skylight or delivered to site factory fitted to the skylight. You can also attach our Gladiator External Safety Cages by means of a retrofit, to new or existing unit skylights or circular skylights, as needed by the local authorities, building owners or general contractors.