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DIN EN 1469:2015
Natural stone products - Slabs for cladding - Requirements; German version EN 1469:2015
This document specifies requirements for slabs of natural stone which are made for use as cladding and ceiling finishes. It does not cover aggregates and artificially agglomerated stony material and does not cover installation for cladding.NOTE It does not cover roofing slates used as external cladding.
Deutsches Institut für Normung [din]