River ovrazhny for masonry works and a cement coupler

- it is natural construction material which thanks to the purity and average modules of fineness is widely used in construction. River sand is applied to production of all types of concrete and various solutions. In its structure there is practically no content of undesirable impurity, for example clays.
Sand river is the natural material lying at a river bottom. Depending on a way of processing after its production distinguish sand types - artificial or alluvial. Sand river possesses high ability to pass water and natural purity that distinguishes it from other types of sand. Grains as a result of long influence of water have rounded shape and a smooth surface.

Primary colors - light yellow, gray and light gray. Main ways use of river sand:

- for concrete production;
- for masonry works and a cement coupler;
- for preparation of asphalt concrete mixes and laying of roads;
- at the drainage device;
- as a filler for a zatirok and dyes.