Proplastics manufactures and supplies PVC sewer and underground drainage systems from 110mm to 500mm. The sewer pipe system provides contractors with ease-of-installation, flexibility and long-term reliability that is supported by a full complement of fittings. Sewer and drain pipes are supplied in two classes, namely heavy duty (Class 34) and normal duty (Class 51). Our sewer pipes are manufactured to SANS 791 or ZWS 791 standards.