Precast SF 7*3

Precast concrete is made by pouring concrete into a mould in a factory or plant, instead of directly pouring it at the construction site. The cured concrete product is then transported to the construction site and installed as a finished material. However, there are several different types of precast concrete.

concrete, in construction, structural material consisting of a hard, chemically inert particulate substance, known as aggregate (usually sand and gravel), that is bonded together by cement and water.