This is dependant on the purpose, but the minimum should be 5cm. If the slab is thicker, this means it will be stronger, so for residential constructions, we normally go off the minimum of 10cm for a concrete shed or house slab.
This is dependant on the purpose, but the minimum should be 5cm. If the slab is thicker, this means it will be stronger, so for residential constructions, we normally go off the minimum of 10cm for a concrete shed or house slab.