Flexseal design and manufacture the largest range of flexible couplings in the marketplace, suitable for sewerage, drainage, plumbing and vent systems. Other product lines include: - Fernco Plumbing Couplings, including a range of grey and black PVC plumbing couplings - Flexseal Lateral Connections, for connecting a lateral pipe to a mains sewer of any material. - The Fernco Pipe Doctor No-Dig Pipe Repair system, including the Fernco Access Point and Manhole Lifting Keys - you can view demo videos at www.flexseal.co.uk . - A full range of channel drainage, for domestic and commercial areas. There is also a sister company - Fernco Environmental - selling a range of backwater valves, grease separators and rainwater harvesting system.