Polypipe underground drainage pipes and fittings are manufactured in the UK and hold all the relevant certificates and approvals, including BS EN 1401 and BS4660:2000 where applicable. The system is manufactured in PVCu to provide strength, durability and ease of installation, while our innovative seal and snap-cap system allows push fit joints throughout to further lighten the load. Available in a range of diameters from 82mm to 160mm in traditional terracotta colouring, the pipe range provides a complete solution with its matching selection of fittings and ancillaries.