Allproof’s Cast-in Floor Waste Fire Collar ensures fire-rated protection for floor waste penetrations. Designed for on-site poured slabs, the Cast in Floor Waste Collar features a spring-loaded closing mechanism that ensures instant closure and full fire-rated protection over time. Simply secure the Cast-in Floor Waste Fire Collar at your desired location, pour the concrete, and install the plumbing system. Tested with a pipe or socket connection and a gully trap in place. Perfect for high-density and medium-density projects like apartment blocks, it’s an ideal solution for fire-rated bathroom floor waste drains.