After 72 hours pull the tape off the floor.
Wet subfloor under vinyl.
It is generally made of inch plywood which is quite strong until water is allowed to sit on it.
Moisture weakens glue bonds and causes the edges to lift and.
Water damaged vinyl flooring is often unexpected.
If it is easy to pull up your subfloor has too much moisture for vinyl.
However equipped with a dehumidifier and some fans it is easier than you think.
When wood floorboards get wet they swell.
The key is to isolate the area to use the dehumidifier followed by circulating air using the fans.
Keep this process going until moisture is gone.
Remove a few boards to let the others expand and dry the subfloor.
Leave the vinyl in place for 72 hours.
Tape a 3 foot square piece of scrap vinyl to the concrete with duct tape sealing the edges tight.
If you remove a few floorboards one every 5 10 feet 1 5 3 0 m should be fine will allow your floorboards to expand without buckling or cracking.
You can do this with a moisture meter ensuring that your reading is no more than three pounds per 1 000 square feet per 24 hours.
In an area such as a kitchen or bathroom sheet vinyl flooring and water are generally a good match.
Pry off linoleum or vinyl tiles with a putty knife using lacquer thinner to dissolve the tile adhesive.
This will also help the subfloor to dry faster.
Test the moisture content of your concrete subfloor.
Carpet vinyl laminate etc.
Seal in the edges so no air can escape.
As the name implies your sub floor is the flooring that sits underneaththe floor you have on top e g.
Drying subfloor after flood damage can seem like a daunting task.
Vinyl flooring can either be glued to the subfloor or it can float on top of it and either way moisture underneath it causes problems.
Chip off ceramic tiles using a masonry hammer and cold chisel.
Another way to measure the moisture in a concrete subfloor is to tape a piece of your scrap vinyl to the floor using duct tape.