Causes of surface dampness on concrete slabs and garage floors.
Why does my concrete floor sweat in humidity.
If you have concrete in your home that routinely appears to be wet or feels damp then you may have sweating slab syndrome.
Sweating makes concrete slippery and dangerous.
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.
Usually warm moist air and relative humidity enter the structure through the several openings windows doorways and vents.
Continue reading to learn how to stop concrete sweating.
Why tile floors sweat.
Why does my concrete floor sweat.
When the air with water vapors enters your house through windows doors or vents and comes in contact with the cold tile floors the air rapidly cools and condenses on the surface causing the wetness if nothing is done about the condensation the concrete slab becomes darker.
Why floors sweat for most floors condensation is the main reason for the sweating especially in warm weather.
Concrete sweating usually occurs when warm air comes into contact with a cooler concrete slab and it causes the concrete floor to sweat.
Humidity warm and humid air condenses into surface moisture when it comes into contact with the cool surface of your concrete floor or slab.
Moisture as you would guess is the underlying cause of sweating on concrete floor slabs.
Concrete science is still evolving.
The concrete mix itself in the event the slab is insufficiently cured or is otherwise holding moisture.
While the industry doesn t have all the answers it can be said that moisture issues in concrete floors tend to arise from one of two sources.
Faulty missing vapor barrier moisture from the ground can seep up and surface through the concrete if no vapor barrier has been installed or is faulty.
For most floors condensation is the main reason for the sweating especially in warm weather.
This usually happens when concrete slabs and the other materials that sweat reach dew point temperature.