Water damaged vinyl flooring problems are more common over concrete than with vinyl floors installed over wood substrates.
Wet subfloor under vinyl.
Arrange the plywood on the first layer of wood.
Lastly if your sub floor is weak but not wet it could be from an old leak.
When moisture becomes trapped in a subfloor it can cause tiles to bubble and warp.
Water damage problems may not be as common with sheet vinyl flooring as some other flooring products but they do happen.
Over time trapped moisture can cause the subfloor to rot compromising the bathroom s structural integrity.
Major damage major damage happens when water is allowed to sit on a sub floor for a long period of time.
Remove a few boards to let the others expand and dry the subfloor.
Drying subfloor after flood damage can seem like a daunting task.
Installations in wet rooms should also include measures to ensure that the seams and perimeter of the floor are well sealed to prevent moisture getting under the luxury vinyl onto subfloor below.
Over wood the problem is usually a water leak flooding or the underlayment was too wet when installed.
When wood floorboards get wet they swell.
When you install your vinyl on a wood subfloor the top plywood should be a minimum of 1 4 thick.
You can also use a wet dry vacuum for this.
For most subfloors you will need to add an extra layer of wood.
That s when sub floor surgery becomes your only option.
Sheet vinyl flooring provides a durable surface for high traffic areas in your home.
However equipped with a dehumidifier and some fans it is easier than you think.
For this reason installations over concrete should always include moisture testing and moisture control measures for the slab.
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.
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.
Overflowing toilets bathtubs and sinks in bathrooms can cause water to seep underneath tiles and saturate the subfloor.
Moisture weakens glue bonds and causes the edges to lift.
The key is to isolate the area to use the dehumidifier followed by circulating air using the fans.
This will also help the subfloor to dry faster.
How to prepare a subfloor for vinyl flooring.
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.
Keep this process going until moisture is gone.
Very few vinyl manufacturers will give you a number for wood subfloor moisture.