It is a hard material that gives strength and sustainability to the building. It is sold in tonnage.
It is categorized into two i.e.
Rock sand: this is obtained after crushing of rock into fine particles and is highly used in concrete mix for beams, columns, and slab or as desired by client. It is black in colour. .It’s sold in tonnage
River sand: this is obtained direct from the river or oceans. It is highly used in finishing eg plaster, screed etc. it is also used in mortar to join the stones during construction. .It’s sold in tonnage.
It is grey in colour .It’s sold in tonnage