How much drain rock do I need for turf installation?
Answered Nov 12 2:07 PM
Typical artificial grass installations for outdoor replacing real grass will need a sub base built with drain rocks at about 1-1/2” to 2-1/2” thick depending on the regions: rainy areas will need thicker drain rock layer and less rainy areas can use less. Drain rocks need to be compacted at about 90% then with another top layer of finer materials such as decomposed granite to provide more solid (after compacting) and smooth surface to lay turf onto. Please let us know if you have any other installation related questions by emailing us at [email protected], thank you.
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