Rainwater retention tank ROCKO 1500

undergroundPE

Overview The Rocko Ø1500 is a compact, vertical rainwater collection tank designed for residential and commercial use. Its cylindrical, space-saving shape provides high storage capacity with a small footprint, making it suitable for sites with limited installation area.

Key features

• Vertical design for reduced footprint and simplified installation on small plots
• Manufactured in one piece from polyethylene (PE)
• 100% watertight construction
• Wall thickness: 8–14 mm to resist soil loads and external influences
• Suitable for underground installation and also for above-ground placement; shape facilitates transport and handling
• Integrated DN 600 dome/manhole connection for access; dome can be shortened to match terrain
• PE cover with adapter (included) featuring gasket and hinged closure; DN 600 cover load capacity up to 200 kg
• Anchor holes for securing the tank to a concrete slab when required (e.g., high groundwater)
• Reinforcing ribs on both sides for stability and protection under high groundwater conditions
• Integrated PE ring for extension and height adjustment to site conditions
• Multiple connection and anchoring options to adapt the tank to local installation needs

Technical data and dimensions (table)Volume [L] | Code | Dimensions A x H [mm] | Cover [mm] | Weight [kg]
2000 | 7100067450 | Ø1500 x 2000 | Ø600 | 79
2350 | 7100067460 | Ø1500 x 2250 | Ø600 | 90
2700 | 7100067470 | Ø1500 x 2500 | Ø600 | 101

Rocko Ø1500 in detail The tank is produced in single-piece, recyclable polyethylene (PE) that resists corrosion. Its design enables straightforward handling on construction sites and can often be installed without heavy machinery due to reduced excavation and backfill requirements. The integrated dome/manhole and extension options allow adaptation of the structure to local terrain levels.

Technical specifications

• Product name: Rocko Ø1500
• Material: Polyethylene (PE), single-piece construction
• Watertight: 100%
• Wall thickness: 8–14 mm
• Installation: underground or above ground
• Manhole/dome: DN 600 (shortenable)
• Cover: PE cover with gasket and hinged closure; DN 600; load-bearing up to 200 kg
• Anchoring: anchor holes for securing to a concrete slab
• Stability: reinforcing ribs on both sides
• Extension: integrated PE ring for tank extension and height adjustment
• Available volumes and weights: 2000 L (79 kg), 2350 L (90 kg), 2700 L (101 kg)
• Codes: 7100067450 (2000 L), 7100067460 (2350 L), 7100067470 (2700 L)