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Welcome, Chris!

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GreenBlue is very proud to announce a relaunch of RootSpace with some excellent improvements

  • New 400mm high version to enable a wider range of tree pit depths – now 5 different height configurations
  • Faster, simpler and easier assembly process
  • Further increase the load bearing capacity
  • Enable easy re-excavation for maintenance of utilities
  • 100% recycled polypropylene
  • 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
Material 100% recycled polypropylene
Manufacture location Injection moulded in UK


Code Description Height Width Breadth
GBURAC600A RootSpace 600 Upright 600mm 500mm 90mm
GBURAC500A RootSpace Airflow Lid 75mm 500mm 500mm
GBURSP65A RootSpace 600 Infill 527mm 334mm 40mm


Code Description Height Width Breadth
GBURAC400B RootSpace 400 Upright 400mm 500mm 75mm
GBURAC500B RootSpace Airflow Lid 75mm 500mm 500mm
GBURSP45PB RootSpace 400 Infill 327mm 334mm 40mm
Documents & Files
Configuration Configuration height Crushing load capacity
400mm Upright 475mm 434.0 kN/sqm
600mm Upright 675mm 308.0 kN/sqm
2 x 400mm Uprights 875mm 297.7 kN/sqm
1 x 400mm + 1 x 600mm Upright 1075mm 285.7 kN/sqm
2 x 600mm Uprights 1275mm 285.7 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 configuration Height Subbase DTp Type 1 depth Macadam depth * Total depth
400 single 475mm 150mm 150mm 300mm
600 single 675mm 300mm 150mm 450mm
400 + 400 875mm 300mm 150mm 450mm
400 + 600 1075mm 325mm 150mm 475mm
600 + 600 1275mm 325mm 150mm 475mm

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

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GreenBlue Urband Ltd

GreenBlue Urban Ltd
Northpoint, Compass Park,

Bodiam, East Sussex, TN32 5BS

London Showroom
117-121 St John Street,

Clerkenwell, London, EC1V 4JA

E: enquiries@greenblue.com
T: 01580 830 800


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