Grade D Sand
Washed Treepit Subsoil
A medium/coarse washed sands used in the base of tree pits for optimum drainage.
In order to move the water away from the base of the tree pit we would recommend a layer of a washed medium coarse silica sand. Our Grade D Sand drains at around 470mm per hour and is perfect for laying in the bottom of your tree pit in both Soft & Hard Landscaping situations. We have other sands available if this does not suit your specification.