Wavin TreeTank is a modular subsoil cell system designed to support healthy tree growth in urban areas. Units create a stable void for tree roots, allowing access to water, air, and nutrients while preventing root damage to roads and pavements.

  • Modular underground cellular structure for urban tree planting

  • Prevents tree roots from damaging roads and pavements

  • Allows roots access to water, air, and nutrients

  • Lightweight units for easy handling and installation

  • Configurable layout to suit different site requirements

  • Withstands traffic loading

  • Proven performance in European urban environments

Applications

Urban tree planting in streets, pavements, and public spaces

Installation

Units are installed around a void for the tree, anchored, and backfilled with non-compacted soil. Pipework for irrigation and ventilation is included. Suitable for fast and flexible installation.

Components

  • TreeTank PP Unit 1200x600x600mm

  • TreeTank PP Cover

  • TreeTank HDPE Connection Plate

  • TreeTank HDPE Substrate Funnel

Technical information

Length

1200mm

Width

600mm

Height

600mm

Gross volume without bottom

454 litres

Void ratio

 95–96%

Weight main unit

15.9kg

Side Plate

3.3kg

Connection Plate

1.7kg

Close Base Plate

5.3kg

Venting shaft connections

110–125mm

Min. cover depth =3mt axle load

0.45m

Min. cover depth 12mt axle load

0.55m

Material

Recycled PP

Colour

Black with grey lids

Interlocking

Integrated

Certification

Tested to EN17153