Mineral materials and products (ICS 91.100.15)

DRS 107: 2018; Building Sands from natural sources — Specification (21 page(s), in English)

This Draft Rwanda Standard covers the requirements for naturally occurring sands, crushed stone sand and crushed gravel sands used for external renderings and internal plastering using mixes of lime and sand (with or without the addition of cement or gypsum plaster ), cement and sand (with or without the addition of lime). It also relates to sands intended to be used for mortar for masonry, for brickwork (plain and reinforced), for building with clay or concrete block and for masonry.