Found two stamps on door glass BS 6206 T.A. 796 but what mean A. I don't know . Building control say before not put stamps on all glass only cut from big one , I think it is enough 2 stamps ...
Thank you all for answers
I bought used conservatory but council say I need to check glass for safety , I need get certificate (because on glass no BS stamps) , but I don't know how to check them ... I am try found on google some company but not found .