I have a patio area I'd like to concrete. it only needs to be able to support a table and chairs, so nothing heavy. I've dug out the bed down to about 120mm below the level and it'll tie into the existing concrete in the back which is 100mm thick.
The area is about 2m by 4m,
The guy who quoted me said he just needed to level the area off and lay concrete straight onto a bed of sand without any hard core.
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