Water storage tank ROTERRA 1800

undergroundpolyethylene

The Roterra 1800 is a space-saving and versatile rainwater cistern designed for underground installation in both residential and commercial settings. With a storage capacity of 3,500 to 6,000 liters, the PE tank is ideal for single-family and multi-family homes, garden irrigation, or medium-sized service water solutions. Made of high-quality polyethylene, the tank offers excellent structural properties and high resistance to earth pressure. Its robust construction ensures long-term stability in the ground and a long service life. The plastic cover is equipped with an integrated seal and ensures reliable watertightness. The standard cover is walkable and can withstand loads of up to 0.2 kN/m², enabling safe access for maintenance and inspection work. For maximum design flexibility, the inlet and outlet sizes are custom-manufactured according to customer specifications from DN 50 to DN 400. This allows the Roterra 1800 to be flexibly integrated into existing piping systems. The advantages of the Roterra 1800 at a glance: Cost-effectiveness & efficiency Quick and easy installation thanks to the flat tank bottom Reduced need for filler material – time and cost savings Fully pre-assembled components – ready for immediate use Lightweight thanks to polyethylene – easy to transport Safety & structural integrity Elliptical tank design for excellent structural stability High resistance to soil and groundwater forces Groundwater level remains stable up to the middle of the tank Suitable for trucks with an axle load of up to 40 tons (RoDrive) Walkable, watertight cover (from DN 50 to DN 400)