Sub Base Depth For Artificial Grass

The sub base material is the foundation of an artificial grass installation.

Sub base depth for artificial grass.

For soil a suitable stable sub base is recommended you should always install your artificial grass on an aggregate and sharp sand base. Make sure you remove 60 80mm of soil before you lay down the sub base and new artificial turf as this will result in a perfect installation. The best sub base for artificial grass is one that functions like native soil. Apply 50mm layer of 6mm to dust granno stone or grit over the weed barrier compacted using an automated whacker plate this can be hired from your local hire shop and level flat so the top of your sub base is level with the top.

The sand is placed onto the prepared sub base roughly levelled out using a rake or a lute and then very lightly compacted just one or at most two passes with the vibrating plate compactor to firm it up without making it hard and unyielding. A solid well compacted sub base is crucial in providing sufficient strength to allow foot traffic and items of furniture to be placed upon the artificial lawn. We need the underside of the artificial grass to key into the sand so some give is necessary. For the best looking artificial grass use a great sub base.

Uneven surfaces can create dips in your lawn and cause accidents. The existing soil in most grass areas expands and contrasts in hot and cold and wet and dry conditions. If you ignore the sub base you could end up with wrinkles and gaps or soft spots in your grass. Artificial grass material was made porous so water can pass through if your artificial grass sub base material is not installed properly it could cause wrinkles and gaps in your turf.