Next dry the floors completely by pumping out standing water then mop and towel the surface dry.
Leak under carpet upper floor.
1 shut off all plumbing fixtures in the house to.
The water can even cause the glue on the tiles to be destroyed.
And damp drywall usually leads to mold in your walls.
If water from a slab leak makes its way into your flooring you ll soon have mold and mildew growing on and under your carpet.
To escape this water may pool on top of your floors yard or the concrete itself.
Water can leak through windows or roofs but it can also damage the floor from below if the crawlspace is often damp.
Run the dishwasher and check for leaks under it.
So if a full wetted circle in the carpet the leak is about at the center of the wetted circle usually meaning came from above through a ceiling fan or light fixture but could also be from an in floor heating loop system if in concrete floor or if a wetted area extending away from the wall in an arc but only wetted at one wall find the midpoint of the wetted area along the wall and the leak likely came from that point from inside or under from adjacent room at the wall.
To dry beneath wood floors which have been flooded first you should remove any wet floor coverings such as rugs or carpet.
If lingering for too long your flooring will be ruined regardless of it being wood carpet or tile.
Use fans to circulate the air in your home and have patience as your floors dry.
How to fix it.
Slab leaks create water build ups underneath your concrete foundation.
If the valve stem on a shutoff valve drips tighten the packing nut.
Leaks in water supply lines or drainpipes beneath the floor can go undiscovered for weeks or longer if you don t regularly check the crawl space.
Additionally depending on how long the water has been on the floor it can cause severe water damage mold and mildew growth destroy your drywall and cause wood to warp.
Fixing subfloor under carpet.
If the leak doesn t stop replace the valve.
Dry the carpet and floor after pulling up the carpet run fans at high speed to speed the drying process.
If you have carpeted floors search for areas that look darker or are unexpectedly damp.
For other leaks at the shutoff valve or at the faucet try tightening the compression nut first.