ÖNORM EN 12326-1

This document specifies requirements for slate and stone products for roofing and external cladding, as defined in 3.1, 3.2 and 3.3, used for assembly into discontinuous roofing and external cladding (except bonded cladding). This document does not apply to products for roofing or external cladding made from the following: a) stone other than those defined in 3.1, 3.2 and 3.3; b) concrete; c) polymeric materials; d) fibre reinforced cement; e) metal; f) clay. This document is not applicable to roofing and cladding slates used internally. NOTE 1 Requirements for internal wall lining slate are specified in prEN 1469. This document is not applicable to bonded cladding (cladding fixed with adhesives). For the purposes of this document, slates for roofing and external cladding have been classified according to the product type and the stone from which they are made. This document does not include requirements for appearance. NOTE 2 Some general guidance for appearance is given in Annex A.