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Tented Tiles Moisture ingress.

MugMugs · 2016-01-26 20:11:17

Hi folks. I live in a mid terraced home built circa 2007. The downstairs kitchen and hallway of this home up until recently was fully tiled. I came home one afternoon early December to find two tiles had tented up on each other. I cut the offending tiles away from their grout and lifted them. Once I did this it set off a…

26-01-2016 8:11pm

#1

MugMugs

Registered Users, Registered Users 2 Posts: 17,875 ✭✭✭✭

Join Date: February 2007

Posts: 17487

Hi folks.

I live in a mid terraced home built circa 2007. The downstairs kitchen and hallway of this home up until recently was fully tiled. I came home one afternoon early December to find two tiles had tented up on each other. I cut the offending tiles away from their grout and lifted them. Once I did this it set off a chain reaction which caused a large cracking noise which i can only describe as the tiles literally tearing themselves from their adhesive. This went on for a few hours until it had eventually run all 29 square yards.

The other two ground floors are fine. One is a small downstairs toilet (tiled) and the tiles are not hollow and are still in situ. The other floor is a laminate floor put in around September last year and is showing no issues.

I initially put this down to the tiles being laid too close together as there was only really about 1mm between the tiles and they didn't run under the skirts. I had a tiler in to quote for relaying new tiles and he urged me to check the slab for moisture. I've done so and the moisture meter is coming back with an average reading of 50 percent moisture on the slab. I duct taped a piece of plastic to the slab over 24 hours. When I lifted the plastic it was wet and the ground it was covering soaking.

I've clearly got moisture coming in from somewhere. We are two people living in a metered home. I've checked the water bills and the last bill was for 9 m2 for the 3 months. This rules out mains.

The only other pipes under the slab are waste from downstairs and another from upstairs. There are no foul smells in the home. What's funny though is that in the second photo I've uploaded, this is in the kitchen by the wall backing onto the downstairs toilet. On the other side of this wall is a radiator. Around the areas where the tiles lay is a kind of brown staining. Could this be a gradual leak from a radiator? My heating system isn't down on pressure. Any thoughts what I should do at all? I'm at my wits end.

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