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Question DetailsAsked on 10/11/2019

How do I figure out if the leak under the kitchen floor has stopped?

Just had a new kitchen fitted with new tiled floors over concrete. During installation, fitter pierced a water pipe. Fitter says that perhaps 5L of water would've been released before they managed to stop the water. Anyway he continued with the floor tiling.

Within 1 week of kitchen completion, we noticed water coming up through the floor tiles, tracking along the grout lines through a tiny hole. Kitchen fitter came out and said that the leak was probably coming from a leaky fitting under the sink's water pipe, which he fixed. A couple of days later, nothing had changed. He came back with his father (who had laid the tiles) and said to remove the pelmets for ventilation because the floor was already wet from when he tiled the floor anyway. Even with a dehumidifier running, the water is still coming up through the floor at the same rate for 1.5 weeks. How long do we wait before we acknowledge that there is still a leak somewhere?

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2 Answers



I have never heard of a tile person damaging a water line under the slab as they just lay the tile and the water line is under the slab in the ground. It may be a coincidence that the water leak started around the same time. I would have a leak detection company determine where the leak is and the best way to correct it. Be sure no water is coming from anything else in the kitchen first, kitchen sink, drain, water supply, dishwasher water supply and water connection at the dishwasher. Also if you have a laundry box in the area, make sure nothing is leaking during the wash and drain process.

Answered 1 year ago by skipcrater


The tiler was a kitchen fitter, so he went through the water pipe in the process of laying some piping into the concrete in order to move the radiator.. hence the ~ 5 litre water spilt on the concrete floor before tiling began.

So with that in mind, I was wondering how long it would take for that much water to dry under tiled floors. Should I be waiting a number of weeks before assuming that the leak hasn't actually been fixed?

Answered 1 year ago by Annapurna14

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