Why every roofer should have a copy of BS 8000-6

BS 8000 is a set of British Standards for workmanship on building sites, with Part 6 specifically for clay and concrete tiles, natural slates and fibre cement slates, for covering roofs and walls.  Part 6; I shall refer to it from now on as BS 8000-6, was first published in 1990.  It was then revised […]