Quote Originally Posted by Rock_Flock_of_Five View Post
Circa 1990.
I'm sure that's what was written on the report at the time. I know asbestos has long been banned in building materials, however, I think it's still permissable in some heat retarding components.. or at least it was at that time.
Ah, thought it was a long time ago, hasn't been allowed for a along time and most boilers nowadays don't need any internal seals fitted, mainly hung on the wall, piped in and commissioned.