It s called a masonry sealer.
How to fix sweating concrete wood flooring.
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.
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.
Tell us about it.
What type of floors do you have.
I have a home that has a concrete slab and i have inlaid linoleum inside in a closet.
Tape the plastic on the floor slab when dry ensuring the edges are completely sealed and wait until the floor shows signs of wetness.
Regular scrubbing prevent mold.
An hvls fan can help regulate the fluctuating temperatures and prevent moisture problems on a concrete floor.
And the closet area is the only area that i m getting the sweating floors.
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.
All you need is a 16 inch piece of square shaped plastic and tape.
Scrub down the floor regularly.
Remove the taped plastic and assess the nature of wetness.
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.
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.