HouseholderAsk Pilkington Do you have third party certification for responsible sourcing? We are not a member of a third party certification scheme for responsible sourcing. However, many of the suppliers of our main raw materials, sand and soda ash, have third party certification to ISO 14001 for their environmental management systems. The NSG Supplier Code of Conduct can be found via this link: https://www.nsg.com/en/sustainability/environment/suppliers/supplier-code-of-conduct Was this helpful? Yes No Thank you for your feedback. We're sorry to hear that, please refine your search and try again. Related Questions Do you have a Health Product Declaration for your products?-Do you have Environmental Product Declarations for your products?-Do you have a sustainability policy?-Do you operate an ISO 14001 environmental management system?-Do you publish a sustainability report? Popular Questions Glass for your home View Our Privacy Glass Designs Supplier Finder