crushed stone products Switzerland

...Washed limestone sand 0-4 mm wet and limestone sand 0-2 mm dry are used for plastering, artificial stone products, stairs, window sills, and fountain troughs. The various washed, crushed, and rounded limestone chippings (gravel 4-8, 8-16, and 16-32 mm) are utilized in garden and sidewalk construction, for flat roofs, as drainage gravel, and as filter gravel. Concrete gravel is produced in grain...