Company Information


Liniar’s story started back in 1974 with the formation of PVCu extrusion company HL Plastics. Since then, it has grown to become one of the UK’s most innovative manufacturing businesses, designing award-winning product ranges and retaining a clear customer focus. Scroll through the images below to find out more about the company, its history and the ongoing investment that leads to its continued success.

Liniar is a British manufacturer of uPVC profiles, with a firm commitment to investment, innovation, new product development and sustainability.

The revolutionary Liniar uPVC window system was launched in 2008 and has been followed by a steady stream of matching products ever since. With a comprehensive investment programme of £millions per year from parent company, Quanex Building Products, a NYSE-listed company, Liniar is known as one of the UK’s leading PVCu systems companies.

Liniar holds more than 50 Registered Designs and patents across its cutting-edge product line. The range includes PVCu windows, doors, conservatory roof and lantern roof systems, an outdoor range including part-recycled PVCu fencing, decking and balustrade systems, as well as a range of fully-recycled flood retention/piling. The company has also launched a fully aluminium door system in Alumina, which can be foiled to match!

Liniar’s finished fenestration products are manufactured at a range of high-quality fabricators throughout the UK and are designed for use in the trade, retail, domestic, commercial, new build and holiday home markets.

You can find your nearest Liniar stockist here.

Read more about the Liniar range

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

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