Recommended Depths

Topsoil, Compost, Mulch & Play Grade Wood Chippings*

Minimum recommended depth: 50mm
1 bulk bag = approx. 10m²

*Hallstone Play Grade Wood Chippings as a Play Safety Surface

Please see our Safety Surface Recommended Depths page for more information if using Play Grade Wood Chippings as an impact absorbing safety surface in playgrounds or children’s play areas.


The information given above is for guidance only. In some areas, or for certain uses a different depth may be required. After installation, settling of the product can occur therefore you may wish to add 10% to your requirements to allow for topping up the area. If you are unsure of the requirements for your project, please contact our Customer Services Team.

Use our Product Calculator to help with calculating your requirements.