What is a precast pool?
A precast pool can basically be installed in-ground or above ground (above ground) or placed on a precast concrete slab for added stability. The installation time required for a precast pool is significantly faster than other pool construction. Also, you should know that the possibility of carrying out the work by issuing a Small Scale Permit is significantly cheaper and faster than the corresponding Permit required for the construction of a reinforced concrete pool. The two top types of permanent prefab pools are fiberglass pools and prefab concrete pools, so let's explore them in more detail.

See the article here