BSEN12326-1 British Standard Slates The 1942 British Standard for testing roofing slates has-been BS680. This will soon stay replaced with two new standards which will apply throughout Europe. BSEN12326-1 requirements, consequently, there are different levels of conformity per testing towards bring account of the another durabilities of different slate and his or her local market expectations. Simply because of the long history to use of the own slates, some countries are happy with slate that do not last as long as would be anticipated within the UK. This means contractual specifications for roofing slates might need to be more sophisticated than in the past. It is actually not sufficient towards specify ‘slates which conform to relevant British Standard’ or even ‘slates which conform to BSEN12326-1’. These blanket specifications would allow slates to be provided at the cheapest conformity level within the accepted and this particular might mean a life of 40 years or less.