La Ria slate is quarried in Galicia. The slate complies with the current European Normative EN 12326 certification, it will not rust, leach, bleed, fade, it will not develop flowers / milk spots or split. The slate is always supplied holed unless otherwise requested at the point of order. The surface is vertically grained, medium rough / smooth in texture and mid grey in colour. Available in all popular sizes and formats.
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