this hussain from pondicherry .6 month before in my home we made concrete slab (30x30 feet) open to atmosphere . Now some of the places in there slab wet is formed in under concrete(I saw from ground floor) now how I solve these problem .solution be economical please

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Originally Posted by thaaf

this hussain from pondicherry .6 month before in my home we made concrete slab (30x30 feet) open to atmosphere . now some of the places in there slab wet is formed in under concrete(i saw from ground floor) now how i solve these problem .solution be economical please

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Have you considered installing a french drain,(see image) around the foundation and direct it away to a lower spot using perforated plastic pipe? Good luck, Tom