On this page you’ll find all the Clayton Glass accreditations, all to confirm our validity, authenticity and constitutionality. These include certificates from some of the largest glass manufacturers in the business, as well declarations of conformity to various industry standards.


Detailed below are a number of quality standards and CE Marking downloads from us and our ISO 14001 accredited supply chain.

Increasingly architects, specifiers and customers are seeking assurances regarding the environmental controls in place and the sustainability of materials in the supply chain. We have ensured all our key supply partners are fully accredited, and hold the correct certification (including ISO14001 or BREEAM BES6001). Should you need to, you can download the various certificates here:


As a glass manufacturer we need to provide declaration of conformity to various standards, download these here:

Find Out More

On this page you’ll find a plethora of downloadable content regarding all facets of technical informations, including: trouble shooting, dealing with condensation, visual quality, glass cleaning, oxidisation of leadworks, Brewster’s fringe and more.

Get in touch with Clayton Glass today, and find details about how you can contact our Blackburn and Huthwaite sites, as well as our Durham headquarters. A member of our team will be back to you ASAP with a friendly and helpful response.

On this page you’ll find downloadable content, including: transport policies, roof glass postcode maps, terms and conditions, credit application forms, safely-achievable weight limits and IGU sizes, acoustic information, and plenty more.