BS 8000-6 Workmanship on construction sites. Slating and tiling of roofs and walls. Code of practice*, 2023-03-31 Update
EN 12326-2:2011 Slate and stone for discontinuous roofing and external cladding - Part 2: Methods of test for slate and carbonate slate
EN 13501-1 Fire classification of construction products and building elements - Part 1: Classification using data from reaction to fire tests
EN 1469 Natural stone products - Slabs for cladding - Requirements*, 2015-03-01 Update
EN ISO 9001 Quality management systems - Requirements (ISO 9001:2015)*, 2015-09-01 Update
ISO 2859-1:1999 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
ISO 3534-1 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability
ISO 9001 Quality management systems*, 2024-01-01 Update
NF P32-201-1 DTU 40-11. Building works. Roof covering made of slates. Part 1 : technical specifications.
NF P32-201-2 Building works - Roof covering made of natural slates - Part 2 : contract bill of special administrative model clauses*, 2020-12-11 Update
BS EN 12326-1:2014 history
2014BS EN 12326-1:2014 Slate and stone for discontinuous roofing and external cladding. Specifications for slate and carbonate slate
2004BS EN 12326-1:2004 Slate and stone products for discontinuous roofing and cladding - Product specification