PolySoil®, the new soil system from Polypipe Download our FREE brochure Call: +44 (0) 0330 128 9403 Stronger Together Developed to include the latest innovations, the PolySoil® range is the most advanced ring seal soil pipe fittings system in the UK residential market, offering excellent durability and outstanding performance. Manufactured and engineered in the UK, PolySoil® soil pipe fittings are constructed as a single-piece moulded unit with an integrated Ring Lock Seal.