RootSpace
RootSpace – advanced soil cell system for healthy urban trees
High-strength, high-soil-volume modules for trafficable streets and squares
Why RootSpace
RootSpace is GreenBlue Urban’s most advanced soil cell – designed to deliver maximum rooting volume beneath paved surfaces while supporting traffic loads and utilities. Developed with over 30 years of research and independent testing, RootSpace delivers maximum rooting volume with proven load-bearing strength and full FLL/ZTV compliance.
- Up to 97% soil volume – greater capacity for water, oxygen and roots.
- Independently tested to BS EN 17150 and aligned with FLL/ZTV planting standards.
- Load-bearing to highway standards, with proven long-term performance.
Features & Benefits
Strength and stability
- High compressive and lateral load ratings.
- Modular lattice adapts around services and irregular pit layouts.
Soil and tree health
- Maximum rooting volume – 97% by volume soil capacity.
- Aeration deck ensures oxygen and water reach the root zone.
Strength and stability
- Manufactured from 100% recycled polypropylene.
- Fully recyclable, with Environmental Product Declaration (EPD).
Ease of specification and installation
- Interlocking panels for rapid, tool-free assembly.
- Backed by CAD, BIM, design calculators, independent testing and full technical guidance
Applications
- Urban streets and squares with heavy traffic loads.
- Sites with dense services where flexible layouts are required.
- Projects requiring FLL/ZTV compliance and transparent EPDs.
- ArborSystem tree pits (RootSpace is the core structural component).
Proven in practice
More than a soil cell system — RootSpace is a proven solution with successful projects across Europe. Our projects show how deep soil volumes, load-bearing strength, and integrated SuDS performance translate into healthier, longer-lived urban trees.
