The Naylor Clay Drainage range of butt and socketed clay channel pipes and fittings are manufactured in accordance with BS EN295-1 or BS65 for the construction of manholes or open channel surface water drains.
Underground Duct System – Denduct
Underground Duct System The Denduct sleeve coupling locates the joint and prevents the ingress of debris. It is not intended to provide a water-tight seal. Naylor Denduct was specifically developed for the enclosure and protection of underground cables or other services.
Underground Land Drainage – Denline
Denline underground land drainage system of DN100-DN300 plain-end vitrified clay perforated pipes with flexible polyethylene sleeve joints, was specifically developed for ground water and surface water drainage of all types.