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 |










