While selecting PVC Overhead water tanks the following points shall be noted.
Usage of Uv Stabilized construction material - Prevents the degradation to the physical properties of the tank due to sunlight. And the stresses caused due to weather transformations.
Built Quality - Multi-Layered Tank with enough structural support for the overhead tank such as horizontal ribs which protects the tank from bulging out and bursting at full load.
Sufficient ventilation to keep the water fresh and healthy.
The inner layer shall be constructed with Food grade plastic with an anti-microbial coating which will prevent the growth of harmful bacteria.