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Yeah this stuff is called Ground Guard by ACO. Dug the topsoil into some raised beds then double weed membrane, whackered 4” of type 1 aggregate, levelled 2” of sharp sand and then the grid which takes about 2” of pea shingle. Quite faffy compared to concrete tbh but I got given quite a pile and committed to it. I’ll be harvesting the rain so hopefully there won’t too much water run off to destabilise the edge.
@hugo7 cheers bud.
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Quite faffy compared to concrete tbh
Interesting you say that as I thought it was much easier given you've got to do 90% of the same prep for concrete. I figured I probably wouldn't use concrete again unless there was a specific reason they wouldn't be viable.
That said, I used them over a very small area for a small storage shed on an existing flower bed. So I just leveled, stamped with my feet, covered with membrane and sand. I found it easier to tidy the membrane once there was weight on it. Grass is now back to the edge and I'm trying to plant a few wild flowers, poppies and creepers in the gravel.
looks great! is that a gravel+cellular stuff base?