Why floors sweat for most floors condensation is the main reason for the sweating especially in warm weather.
Concrete floor sweating under carpet.
There was however sweating on top the underlayment that rested on the concrete floor but under the underlayment was not wet but had very cold concrete much colder than other areas of the floor.
The flooring company came out they removed flooring from sections that were sweating but no overt leaks found.
This can cause issues with mold and mildew especially if you have carpet or furniture on top of the concrete.
When warm humid air from outside comes into contact with the cold concrete the air rapidly cools and condenses on the surface causing the wetness.
The preventive measures for concrete sweating are listed down below 1.
Completely frozen outside not under your slab.
Learn how to fix a sweating concrete floor.
It is possible that the increased humidity is wicking into the slab and then being trapped under the rugs.
After a humid night water vapor in the air will come into contact with the cooler concrete floor and will condense into morning dew.
Concrete sweating usually occurs when warm air comes into contact with a cooler concrete slab and it causes the concrete floor to sweat.
Increasing inside humidity will cause water to migrate into equilibrium.
Mysteriously enough even if you do not have bare concrete floors and you have carpet tile vinyl or wood flooring moisture and condensation can still cause sweating slab syndrome with temperature fluctuations.
Find out how improving drainage conditions cleaning gutters and using a concrete sealer will stop a concrete floor from sweating with condensation.
If you can feel a soft spot in the floor under the carpet the subfloor has likely been weakened or damaged.
This isn t the same as having a floor squeak when you step on it which simply indicates that the subfloor isn t tightly fastened to the floor joist in one area.
Instead a dip in the carpet could mean that a floor joist has sustained.
The dirt under your slab has plenty of moisture that can migrate.
If you have concrete in your home that routinely appears to be wet or feels damp then you may have sweating slab syndrome.
This is not actually a problem with the construction however but an issue that can often be controlled or eliminated by changing the upkeep of the area and in some cases the controlled climate conditions.
Basements and garages the typical rooms with concrete floors also suffer from poor.
Prevention measures for concrete sweating.
Continue reading to learn how to stop concrete sweating.