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RootSpace Ocean

A pavement support system manufactured from recycled ocean post-fishing industry waste.

Utilising fishing nets, ropes and post-use rigid plastic, RootSpace Ocean takes a preventative approach to ensuring that these products are recycled into useful raw materials that do not end up in our oceans and watercourses… green plastics!

These green plastics are sourced by a trusted supplier that currently produces 12,000 tons of recycled plastic per year to be used in the production of high-quality environmentally friendly products, including RootSpace.

All of the used nets, ropes and post-use rigid plastics undergo the same process upon arriving at the production plant. They are first inspected & registered, before being cleaned and fractioned. They then undergo a process of extrusion, washing, drying & finally separation before being cut into green pellets ready for production.

This raw material is then delivered to GreenBlue Urban’s HQ in Bodiam, East Sussex, where our own manufacturing team inject this raw material into our RootSpace soil cell. A truly green alternative to urban tree planting.


  • Optimum conditions for soil biology maximising root growth & tree health
  • Very fast, simple and easy to assemble reducing installation time & costs
  • Designed for easy integration, and re-excavation for maintenance, of utilities
  • Minimum carbon footprint with 100% UK manufacture
  • Minimum excavation depths required
  • Can be used close to highways due to world-leading lateral performance


  • 100% recycled polyprop, but only approx. 30% ocean waste polyprop
  • Only 2 main interlocking components
  • Very open format with more than 95% soil void space
  • Highly engineered lattice structure optimising world lead strength v. cost ratio
  • Unique lid creates essential air zone above soil
  • Unique interlocking structural side panel


Material100% recycled polyprop, but only approx. 30% ocean waste polyprop
Manufacture locationInjection moulded in UK


GBURS41A-OPRootSpace G2 400mm Depth (1 Cell)475mm1000mm1000mm
GBURS41IA-OPRootSpace G2 400mm Depth (1 Cell) With Side Panels475mm1000mm1000mm
GBURS42A-OPRootSpace G2 800mm Depth (2 Cell)875mm1000mm1000mm
GBURS42IA-OPRootSpace G2 800mm Depth (2 Cell) With Side Panels875mm1000mm1000mm
GBURS61A-OPRootSpace G2 600mm Depth (1 Cell)675mm1000mm1000m
GBURS61IA-OPRootSpace G2 600mm Depth (1 Cell) With Side Panels675mm1000mm1000mm
GBURS62A-OPRootSpace G2 1200mm Depth (2 Cell)1275mm1000mm1000mm
GBURS62IA-OPRootSpace G2 1200mm Depth (2 Cell) With Side Panels1275mm1000mm1000mm
GBURS64A-OPRootSpace G2 1000mm Depth (2 Cell)1075mm1000mm1000mm
GBURS64IA-OPRootSpace G2 1000mm Depth (2 Cell) With Side Panels1075mm1000mm1000mm


ConfigurationConfiguration heightCrushing load capacity
400mm Upright475mm434.0 kN/sqm
600mm Upright675mm308.0 kN/sqm
2 x 400mm Uprights875mm297.7 kN/sqm
1 x 400mm + 1 x 600mm Upright1075mm285.7 kN/sqm
2 x 600mm Uprights1275mm285.7 kN/sqm

The following table gives the minimum allowable paving construction depths required to disperse a 4.5 tonne wheel load (as an example) on different RootSpace configurations (this is based on a typical macadam type road construction and the standard tree pit detail of GBU specification):

RootSpace configurationHeightSubbase DTp Type 1 depthMacadam depth *Total depth
400 single475mm150mm150mm300mm
600 single675mm300mm150mm450mm
400 + 400875mm300mm150mm450mm
400 + 6001075mm325mm150mm475mm
600 + 6001275mm325mm150mm475mm

* Total depth of bound bituminous layers (Minimum construction depths for a full range of wheel loads are available separately)

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