The moisture is probably the result of.
Water seeping through tile floor.
Clogged weeping drain tile depending on the age of the home and other factors weeping tile can become clogged and non functional.
In old bathroom likely 30 years since remodel water seeping up in the middle of the tiled floor.
Leaking drainpipes in a shower or a bathroom plug will let water underneath tile.
What are the causes of water under a tile floor.
Dry out your home the first step in drying out your home is to make sure the humidity in the room is not too high the temperature is low and the air is circulating.
If the water is seeping up through the floor it could be a result of insufficiently sealed foundations or there could be cracks in the foundation floor.
Posted by jon1270 at 9 49 am on october 13 2013 i m in florida no basements or crawl space just slab.
Water could be running along the pipe out of the cabinet through the oversize hole that s cut in the back wall or floor landing on the tile floor under the cabinet and then running out under the toe kick.
This situation will cause the water table to rise sometimes to the point that water comes up through the basement floor and the basement floods.
When these all too common mistakes occur standing water gets trapped in the shower pan below the tile level.
If the grout becomes damaged on the floor it will give water a chance to slip through the gaps and under.
Go into the crawlspace under the floor and look for signs of moisture on the joists.
The best way to tell if.
Answer water coming up through your tile grout joints is an indication that you have a high water table on your property or that water is being directed towards your house and you don t have a vapor retarder under the concrete slab to prevent water from migrating through the concrete.
There s no visible leakage from sink or toilet toilet sits about 18 inches away.