The most up-to-date brand of uPVC profile on the market. With a focus on research, development and design, the Liniar range continues to push the boundaries when it comes to product innovation.
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It’s important to Liniar to prove its products are backed by the highest standards, and an ongoing testing programme ensures that all systems remain fully compliant – often ahead of legislation. View Liniar’s accreditations below.

BS EN ISO 9001

Liniar's manufacturing process is accredited with ISO 9001, the worlds most recognised quality management system. The standard is based on a number of principles including a focus on consistent and repeatable processes, improving efficiency, quality and continuous improvement. By continuing to meet this standard, Liniar customers benefit from consistently great products and service.

BSI ISO 14001
BS ISO 14001

Liniar has been certified for the BSI (British Standards Institute) ISO 14001:2015 Environmental Management System (EMS). This standard evidences a commitment that Liniar's manufacturing processes have a positive effect at reducing its impact on the environment. 

BS EN 12608
BS EN 12608

BS EN 12608 is the standard of quality, consistency and performance required for UPVC extruded hollow profiles.

Products are regularly tested to ensure that they continue to meet these standards.

BSI PAS24 kite mark

This accreditation is part of the British Standards system and shows the product has been subjected to a series of tests, demonstrating enhanced security performance.

Secured By Design
Secured by Design

Secured by Design is a police-backed initiative, with this status being awarded to products designed with exceptional security features as their main priority.

Liniar products that qualify to hold this certification are tested to meet the requirements of the police preferred specification. 

BSI EN 6375
BS 6375

This British standard is made up of 3 parts, covering the requirements for the performance of windows and doors. This includes weather performance, air and water and wind loading along with functionality and cyclic testing. 

All Liniar fenestration products have been tested and meet or exceed the requirements of this standard. 

BS 476 PART 7

BS 476 refers to the British standard for fire tests on building materials and structures. This test standard is split into two parts, with Part 7 specifiying the test method for measuring the lateral spread of flame along the surface of a test specimen.

BS 7976 PART 2
BS7976 PART2

BS 7976 Part 2 is applicable for use in determining the slip resistance of pedestrian surfaces.

All Liniar’s deckboards have been tested to this standard, finding that slip resistance was good in both wet and dry conditions.

BS EN 660-2
BS EN 660-2

This European standard relates to the resilience of floor coverings, specifically the wear resistance of polyvinyl chloride floor coverings.

All of Liniar’s deckboards have been tested to this standard.

BS EN 428
BS EN 428

Now superseded by BS EN 24346, this standard related to the determination of overall thickness, with Liniar’s deckboards having been tested to this standard.

Fire 1

A Class 1 Fire Rating is the best fire rating that can be achieved for materials, i.e. products achieving the lowest flame spread. Many of Liniar's products have been fully tested and achieved this standard.

GGF logo
Glass & Glazing Federation

The Glass & Glazing Federation is the main representative organisation for companies involved in all aspects of fenestration products. Liniar's membership to this association ensures it is at the forefront of all industry news and legislation. 

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Corgi logo
CORGI Fenestration

CORGI Fenestration is a fully licenced business working with CORGI Services and brings all the known attributes of the CORGI brand to the industry. Liniar became the first systems house to achieve formal registration and have access to the most recognised consumer mark in the industry.

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Future Homes Hub logo
The Future Homes Hub

Liniar's membership of the Future Homes Hub ensures the company is one of the leading collaborators helping to develop long-term delivery plans to enable the new homes sector to meet the climate and environmental challenges ahead, including Net Zero targets.

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Liniar designs and tests products, extrudes the PVCu profiles and delivers them to independent specialist manufacturers and resellers all over the UK. You can find your nearest with a simple postcode search.

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Contact us

It’s easy to get in touch with Liniar. Fill in a quick form and your enquiry will be directed to the correct department. Note our office hours are Monday-Friday, 8:30am to 5pm and we endeavour to respond within 24 hours.

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