Lightweight Washed Sand
Washed Sand Subsoil
A free draining subsoil option used more specifically for Tree Pits or Ornamental Lawns for roof & podium planting.
With little to no Silt, Clay and Very Fine Sand, this Lightweight Washed Sand Subsoil provides the ideal free draining media more suited to Tree Pits or Ornamental Lawns for roof & podium planting. Its single Medium Sand grading provides a well structured material offering a very free draining substrate and can be utilised when depths of Subsoil are reduced to provide a silt trap between the Topsoil and Membrane to ensure the drainage of the scheme is successful.