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SS-EN 12058:2015
Natural stone products - Slabs for floors and stairs - Requirements (Swedish Standard)
This European Standard specifies requirements for flat natural stone slabs used as paving units for internal (including enclosed public transport premises) and/or external uses in floors and stairs including skirtings. This European Standard does not cover mineral aggregates and artificial agglomerated stone material and does not cover installation.
Swedish Standards Institute [sis]