Structural Tree Soil

Product Data sheet

A structural soil, also referred to as Stockholm Soil, is a stone-based growing medium designed to plant trees under a compacted pedestrian or traffic paving.

Structural Tree Soil can meet engineering standards for supporting pedestrian and vehicular traffic whilst at the same time providing enough soil for a tree to be healthy and reach maturity. 

The design encourages roots to grow deep underground without lifting the pavement and is recommended for water attenuation in SuDS systems.

Bulk Density
1.5 - 2 ton/m2
California Bearing Ratio
10 - 30 (can be customised)
Void Space
20 - 30%
Organic Matter
1 - 3%
Carbon Content*
80 kg CO2 - e/ton (Avg.)
*Carbon content based on organic matter (fresh mass)