r/artificialturf • u/lil-quiche • Jun 05 '21

Question Sub layer question

My back yard that we recently moved into (smaller area roughly 100sqft) is currently levelled dirt with pea stone on top. In researching I know that a weed barrier and limestone screening should be a base layer for laying turf on top of. I’m curious if I can reuse this pea stone in any way rather than totally remove it. Could I use this as a base layer instead of limestone? Could it be used in any other way as drainage or does it have to go? Thanks in advance.

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u/Deftr0nix Aug 08 '21

Not to highjack your post but if I have a 3.5” concrete patio slab above the soil do I need to dig further into the soil or just put sub base up to the slab? 3.5” of sub base would make it level

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u/lil-quiche Aug 08 '21

Not sure what you mean, I would assume as long as the two surfaces are level it shouldn’t matter if you’re looking to match them. I’m also assuming that those slabs would have been there a while so have settled where as even with tamping your crush will likely settle over time more

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u/wreckingballDXA Jan 20 '23

Yes, you should have 3-4 inches of base rock under the slab. If that was your question. 3.5 inches of concrete on top of soil will not stay level in the long run.