★ Deteriorated and dirty FRP elevated water tanks and receiving tanks negatively impact the impression of a building. Additionally, FRP water tanks are generally prone to algae growth and bacterial proliferation due to photosynthesis. ★ Tank Sten Coat PS500 solves all these problems. By simply applying Tank Sten Coat PS500 to existing FRP tanks, they can be transformed into completely new tanks. ★ This 21st-century construction method is environmentally friendly as it reduces the generation of industrial waste by extending the service life.