إجراء مقترح من رواندا: مواد البناء

This Draft Rwanda Standard specifies requirements for natural stones and provides guidance for the application and use of natural stone products. It applies to natural stone products intended for masonry elements, wall coverings (including tiles), internal floor and stair finishes (including tiles), exterior floor and stair finishes (including paving), as well as massive stone elements. It does not apply to coatings or staining problems, and does not take into account treatments that could modify the performance characteristics of the materials, nor does it apply to agglomerated stones and aggregates.