Plastics piping systems with structured-wall pipes for soil and waste discharge (low and high temperature) inside buildings. Unplasticized poly(vinyl chloride) (PVC-U). Specifications for pipes and the system|Supports, Unplasticized polyvinyl chloride, Radial, Joints, Sewerage, Testing conditions, Dimensions, Waste-water drainage, Physical properties of materials, Domestic pipework systems, Building services, Adhesives, Performance testing, Pipes, Sealing rings, Foamed plastics, Buildings, Size, Water supply and waste systems (buildings), Laminates, Rainwater control systems, Smoothness (surface), Plastics, Pipework systems, High temperatures, Marking, Low temperatures, Recycling, Ventilation, Domestic