They are made with by carefully selecting the material, using profiled sheets and profiles to ensured strength and longevity. In addition, this material choice provides tanks need flexibility and resistance to external influences.

Additionally, everyone eco-tanks are anti-corrosion protected to ensure longevity and preserved their functionality. This protection includes external and internal parts of the tank and is carried out in a basic and final green color (RAL 6016).

In addition to the aesthetic aspect, green also contributes to the integration of tanquan into the environment, which is especially important for plants located in rural or natural areas.