When moisture becomes trapped in a subfloor it can cause tiles to bubble and warp.
Wet subfloor under vinyl.
That s when sub floor surgery becomes your only option.
Very few vinyl manufacturers will give you a number for wood subfloor moisture.
Keep this process going until moisture is gone.
Overflowing toilets bathtubs and sinks in bathrooms can cause water to seep underneath tiles and saturate the subfloor.
You can also use a wet dry vacuum for this.
Arrange the plywood on the first layer of wood.
To do this measure and cut the plywood to fit your room.
Water damaged vinyl flooring problems are more common over concrete than with vinyl floors installed over wood substrates.
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.
For this reason installations over concrete should always include moisture testing and moisture control measures for the slab.
Water damage problems may not be as common with sheet vinyl flooring as some other flooring products but they do happen.
How to prepare a subfloor for vinyl flooring.
Lastly if your sub floor is weak but not wet it could be from an old leak.
Glue down floors again i personally feel subfloors over 13 moisture content will have to much movement for the underlayment and the flooring to accommodate and the chance of subfloor show through is very high.
Sheet vinyl flooring provides a durable surface for high traffic areas in your home.
Before you install sheet vinyl the subfloor must be in good.
Remove a few boards to let the others expand and dry the subfloor.
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.
Drying subfloor after flood damage can seem like a daunting task.
However equipped with a dehumidifier and some fans it is easier than you think.
Over wood the problem is usually a water leak flooding or the underlayment was too wet when installed.
When left unattended this will cause your subfloor to get mushy and eventually cave in.
The key is to isolate the area to use the dehumidifier followed by circulating air using the fans.
For most subfloors you will need to add an extra layer of wood.
This will also help the subfloor to dry faster.
Major damage major damage happens when water is allowed to sit on a sub floor for a long period of time.
Moisture weakens glue bonds and causes the edges to lift.
When wood floorboards get wet they swell.