Genuit
Corporate brand
UnclaimedGenuit is a United Kingdom-based manufacturer of plastic piping, drainage, ventilation, water-management and related building and infrastructure systems.
Last updated August 26, 2026
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Overview
Genuit is the operating brand associated with Genuit Group plc, a United Kingdom-based manufacturer of engineered plastic systems. The company supplies products for residential construction, commercial buildings, civil engineering and infrastructure projects. Its systems address drainage, plumbing, water supply, sustainable water management, cable management, heating, ventilation and related building applications. The business was established in 1980 as Polypipe by Kevin McDonald, a former plumber, and Geoff Harrison. Its early development combined manufacturing growth with acquisitions in specialist piping, ventilation and building-products markets. During the 1990s, the company expanded outside the United Kingdom through acquisitions including Sud Ouest Plastiques in France, TDI, Gabo Systemtechnik in Germany, Domus Ducting and Pagette Sanitar Produktions. These transactions broadened its exposure to ducting, technical piping and sanitary applications. Polypipe became part of IMI in 1999 in a transaction valued at £337 million. IMI later sold the business to United States private-equity firm Castle Harlan in 2005. A management buyout in 2007 returned the company to management control with financing from Bank of Scotland Integrated Finance. The group continued to add specialist capabilities, including Terrain, Silavent, Ferrob Ventilation, Surestop and Nuaire. These additions strengthened its positions in building drainage, ventilation, shut-off systems and mechanical ventilation. The company completed an initial public offering on the London Stock Exchange in April 2014. During the following years it continued to develop a portfolio spanning building products, civils, urban drainage, ventilation and building services. Its operating businesses have included Polypipe Building Products, Polypipe Civils and Green Urbanisation, Polypipe Building Services, Polypipe Ventilation, Robimatic, Polypipe Italy, Alderburgh, Polypipe Middle East, Surestop, Manthorpe Building Products, Nuaire Ventilation, Nu-heat and Domus Ventilation. In March 2021, Polypipe Group changed its name to Genuit Group. The rebranding reflected an effort to present the company as a broader provider of engineered solutions for the built environment rather than solely as a pipe manufacturer. The group’s product scope includes systems intended to manage water, improve building ventilation, support heating and plumbing installations, protect and route cables, and provide drainage and other infrastructure functions. Its market positioning is therefore based on technical performance, installation efficiency and the use of engineered polymer systems across construction and infrastructure projects. Genuit’s activities remain organized around specialist businesses and product categories rather than a single consumer-facing product. The brand is primarily encountered by construction companies, contractors, developers, engineers, distributors and infrastructure customers. The available reference material identifies the group as active, headquartered in Leeds and listed in the United Kingdom, but does not provide sufficient current information to identify a current chief executive, current revenue, market capitalization, official website or detailed geographic sales breakdown.
History
Genuit Group originated in 1980 under the name Polypipe. It was founded by Kevin McDonald, a former plumber, and Geoff Harrison. The original business was focused on plastic piping, but it subsequently developed into a diversified manufacturer serving construction and infrastructure markets. A significant phase of expansion took place during the 1990s. In 1995 Polypipe acquired Sud Ouest Plastiques in France. Two further acquisitions followed in 1997: TDI and Gabo Systemtechnik. In 1998 the group acquired Domus Ducting, which was later renamed Polypipe Ventilation, and in 1999 it acquired Pagette Sanitar Produktions in Germany. These transactions expanded the company beyond basic piping into ventilation, sanitary systems and other specialist polymer applications. In March 1999, IMI acquired Polypipe for £337 million. IMI later sold the company to Castle Harlan, a United States private-equity firm, for £293 million in September 2005. Under Castle Harlan’s ownership, Polypipe acquired Terrain, a PVC piping business in Kent, in 2007. Later that year, a management buyout took the company out of Castle Harlan ownership. The buyout was financed by Bank of Scotland Integrated Finance. The group continued to broaden its product capabilities during the next decade. It acquired Silavent, a ventilation manufacturer, in 2010. Polypipe then returned to the public markets through an initial public offering on the London Stock Exchange in April 2014. In November of that year it acquired the Ferrob Ventilation business. In 2015 it acquired Surestop, which made an alternative to the conventional brass stopcock, and Nuaire, a manufacturer of ventilation systems. The company’s operating structure came to include businesses covering building products, civils and green urbanisation, building services, ventilation, specialist manufacturing and heating. Identified operating locations included facilities in Doncaster, Loughborough, Horncastle, Aylesford, Caerphilly, Kirk Sandall, Rochdale, Ripley, Devon and other United Kingdom locations, as well as operations in Italy and the Middle East. The group’s headquarters are in Leeds. In 2017, Martin Payne was announced as the successor to David Hall as chief executive following Hall’s retirement. In March 2021, Polypipe Group changed its name to Genuit Group. The new identity represented the company’s broader scope: its activities covered not only piping but also ventilation, heating, drainage, water management, cable management and other engineered systems for the built environment. Genuit’s history is therefore characterized by a progression from a specialist plastic-pipe manufacturer to a listed group of technical building-products businesses. Its growth has relied substantially on acquisitions, with acquired brands and operating units adding expertise in ventilation, heating, drainage, sanitary products and civil infrastructure. The available reference material confirms its London listing and FTSE 250 membership but does not establish a current executive roster, current financial performance, official website or detailed present-day market shares.
- 2021
Polypipe becomes Genuit Group
[1]The company changes its corporate name to Genuit Group.
- 2015
Surestop and Nuaire acquisitions
[1]The group adds Surestop and Nuaire, strengthening plumbing shut-off and ventilation capabilities.
- 2014
London Stock Exchange listing
[1]Polypipe completes an initial public offering on the London Stock Exchange.
- 2007
Management buyout
[1]A management buyout acquires the business from Castle Harlan.
- 2005
Sale to Castle Harlan
[1]IMI sells Polypipe to Castle Harlan for £293 million.
- 1999
Acquisition by IMI
[1]IMI acquires Polypipe in a transaction valued at £337 million.
- 1998
Domus Ducting acquisition
[1]Polypipe acquires Domus Ducting, later known as Polypipe Ventilation.
- 1997
Acquisitions of TDI and Gabo Systemtechnik
[1]The group acquires TDI and Gabo Systemtechnik, extending its specialist systems portfolio.
- 1995
French expansion
[1]Polypipe acquires Sud Ouest Plastiques in France for £2.1 million.
- 1980
Polypipe is founded
[1]Kevin McDonald and Geoff Harrison establish the business that later becomes Genuit Group.
Products and positioning
A specialist engineered-products group serving construction and infrastructure markets with polymer-based systems for water management, drainage, ventilation, heating, plumbing, cable management and related building applications.
Building products
Building drainage and plumbing systems
Genuit’s building-products activities include plastic systems used for drainage, plumbing, soil and waste, and water-related applications in residential and commercial construction. These systems are intended to provide lightweight, corrosion-resistant alternatives to traditional materials and are supplied through specialist operating businesses such as Polypipe Building Products and related group units.
Civil engineering and infrastructure
Civils and green urbanisation systems
The civils portfolio covers products for civil engineering, drainage, surface-water control and urban infrastructure. The group’s Polypipe Civils and Green Urbanisation activities are associated with systems that help manage water in developed environments and support infrastructure construction, including applications designed for sustainable drainage and urban water management.
Building services
Ventilation systems
Genuit supplies ventilation products through businesses including Nuaire, Polypipe Ventilation and Domus Ventilation. The portfolio includes systems and components for moving air through residential, commercial and other buildings. The group entered and expanded this field through acquisitions including Domus Ducting, Silavent, Ferrob Ventilation and Nuaire.
Plumbing components · 2015
Surestop shut-off systems
Surestop products provide an alternative to the conventional brass stopcock used to control domestic water supplies. The business became part of Polypipe in 2015 and broadened the group’s building-services offering beyond pipe and duct products.
Heating systems
Heating and underfloor-heating systems
The group’s heating activities include Nu-heat, identified as a Genuit operating business based in Devon. Its portfolio is associated with heating and underfloor-heating applications for buildings, complementing Genuit’s plumbing, ventilation and broader building-services products.
Infrastructure systems
Cable-management systems
Genuit’s engineered polymer portfolio includes cable-management applications used to route and protect cables in building and infrastructure environments. These products extend the group’s use of plastic systems into electrical and communications infrastructure alongside drainage and water-management products.
Brand decisions
2021
Corporate rebrand from Polypipe to GenuitStrategyBackground
The company had expanded beyond conventional piping into ventilation, heating, water management, civil infrastructure and other engineered building products.
Action taken
Polypipe Group changed its name to Genuit Group in March 2021.
Aftermath
The new name positioned the listed group as a broader provider of engineered systems for the built environment.
2014
Initial public offeringM&ABackground
Following its private-equity ownership and subsequent management buyout, Polypipe pursued a return to public-market ownership.
Action taken
Polypipe completed an initial public offering on the London Stock Exchange in April 2014.
Aftermath
The company became a publicly traded United Kingdom manufacturer and was later identified as a constituent of the FTSE 250 Index.
Sources1 sources
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