This range provides products suitable for both new build and refurbishment roof situations. A versatile and easy to install, rainwater outlet with excellent flow performance. Offering ventilation for flat warm roofs for existing and new roofs, it provides a waterproof connection between PVC Membranes and liquid plastics. Available as a single piece unit for ventilated roofs or with an adjustable height base section for use with unventilated flat roofs. The PVC flange diameter is 285m and leaf filters are available.