A police-backed initiative, Secured by Design status is awarded to products designed with exceptional security features as their main priority. Liniar products that hold this certification are tested to meet the requirements of the Association of Chief Police Officers.

This accreditation is part of the British Standards system and shows that every component used to make the product has been subjected to a series of tests, demonstrating enhanced security performance for your peace of mind.

Our Lead-free profile is made from 100% leadfree PVCu. Better for the environment and better for you and your family. Profile designed by Liniar is fully recyclable, giving your family peace of mind that it’s environmentally-friendly.

Certass is a Competent Person Scheme that regulates the double glazing industry. Certass registered companies can present homeowners with a certificate of compliance when the work has been completed. This means that customers won’t have to wait for an officer from the local authorities to inspect and approve the installation.

The 'Made In Britain' logo can only be used by companies who's products are made in Britain and meet the standards of the British people. We are proud that our profile has the pedigree to be able to be associated with this organisation and we are proud to be British.