It s called a masonry sealer.
How to fix sweating concrete wood flooring.
This means you will need to clear out the area and sweep it out then use a combination of detergent and hot water to really scrub the entire area using the bristle push broom.
On a humid night the water vapor of a warm day comes in contact with the cooler ground and condenses on your floors into morning dew.
Boris in texas has an unwanted problem sweating floors.
Remove the taped plastic and assess the nature of wetness.
And then the other thing to do is after it gets sort of as dry as you think it s going to get i would add a couple of coats of masonry sealer.
That will stop some of the water from evaporating into the home and raising the humidity which i think is what you re experiencing right now.
Tape the plastic on the floor slab when dry ensuring the edges are completely sealed and wait until the floor shows signs of wetness.
That condensation on your concrete means you have sweating floors.
An hvls fan can help regulate the fluctuating temperatures and prevent moisture problems on a concrete floor.
While your floors did put in a good hard day of work the sweating floors are actually the result of a temperature change.
One other tip is to try to keep the air and the floor temperature levels close to the same.
One way to do this is to turn down the air conditioning and turn up the heat.
And the closet area is the only area that i m getting the sweating floors.
All you need is a 16 inch piece of square shaped plastic and tape.
Regular scrubbing prevent mold.
Scrub down the floor regularly.