RB Heavy 57kN is a heavy-duty tree root protection system for use under roadways, supporting vehicles up to 40 tonnes with an 11-tonne axle load. Maintains zero soil compaction and can be finished with mesh grids, paving or asphalt. Suitable for heavy access where trees must be retained.

  • Heavy-duty root protection system for vehicular access over tree roots

  • Supports up to 40-tonne vehicles (11-tonne axle load)

  • Zero soil compaction to protect existing trees

  • Low overall depth for minimal level change

  • Adaptable to different soil conditions with variable groundscrew lengths

  • Can be finished with mesh, paving or asphalt

  • Modular 1m x 1m sections for flexible layout

Applications

  • Access roads between trees

  • Site entrances

  • Heavy-duty access requirements over tree roots

Dimensions

Depth 112mm

Section size 1m x 1m

Performance

Point load 57kN

Axle load 11 tonnes

Suitable for vehicles up to 40 tonnes

Finish

30 x 30mm mesh grids, paving, or asphalt overlay