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About Liniar

A leading name in PVCu extrusion since 1974, Liniar’s state-of-the-art facilities are located in the heart of the East Midlands and features an on-site recycling facility, underground water recycling facilities and one of Europe’s largest PVCu mixing plants. Since 1993, Liniar has designed and manufactured eco-friendly PVCu products, among which are a 100% flood retention range, the Queen’s Award-winning ModLok™ bi-folding door, the UK’s first PassivHaus PVCu window, EnergyPlus90 and the UK’s first double-rebated flush sash PVCu window, Resurgence. The most technically advanced PVCu window systems on the market, Liniar’s profiles were designed from scratch by a team of forward-thinking designers with more than five centuries of experience between them.

Liniar’s mission is to set the bar high for the industry and be recognised as a leading force for quality and excellence in product development – fusing industry experience with innovation, sustainability and loyalty.

Liniar’s and sister company Avantek Machinery’s parent company is New York Stock Exchange-listed Quanex Building Products, an American company and firm believer in annual investment in innovation, products, tooling, machinery and people.

An award-winning company, Liniar has brought home such prestigious accolades as the 2017 Queen’s Award for Enterprise in Innovation for its ModLok™ technology, the 2019 Product of the Year award in the National Fenestration Awards for Resurgence, the UK’s first double-rebated flush sash PVCu window and was a finalist at the G19 Awards for 2019 Sustainability Initiative of the Year. For the full list of our awards, visit our Awards Page

Since the launch of its first window profile in 2008, Liniar’s Design and Development team has continued to create new, groundbreaking products, boasting a comprehensive range of thermally efficient and environmentally friendly products – for the residential, commericial, developer and retail industry. The company’s range of outdoor products includes a range of 100% recycled PVCu piling which has been used by the National Trust, Environment Agency and utilities as flood defences and moor preservation efforts.

With regular orders throughout the UK and further afield destinations such as New Zealand, Thailand, Indonesia, Australia, Germany, Austria and the Netherlands, the company is truly growing in leaps and bounds. Liniar boasts a glowing reputation for innovation, quality and superb customer service in three distinct markets: window fabricators and installers, caravans and holiday homes, and the construction and conservation industry.

With over 500 jobs created in the Amber Valley region of Derbyshire, Liniar continues to grow and add to the local economy. The company’s rich history includes an extensive apprenticeship programme and training scheme – this translates into 12 current apprentices working towards completion of their programme currently with a further 14 who’ve finished their paths and have gone on to join the business in a full-time role.

View our Liniar Press Pack for more information.

For more information please contact the Liniar Marketing team at

Useful links

Liniar Press Pack  History  2a


QNX Passive House Secured By Design Corgi Fenestration PAS24 PAS12608 BBA BPF NBS bhhpa Bali NCC Queens Awards Sustainable Midlands Supporter

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