Fortunately water damage caused by missing grout or bad caulking is usually fairly easy to fix.
Bathroom wall water damage.
How to fix a water damaged plaster wall beside the bathtub.
Rarely water damage to a tile wall can be caused by leaking pipes within the wall.
In most cases the reason for a bathroom wall repair is water damage which is particularly common around the tub and shower area.
Long term leaks can cause structural damage within your walls and can also lead to serious mold problems in the walls.
If you are in any doubt about making the repair yourself or if the repair is a large job then hiring a professional contractor may be the best option.
A common problem in bathrooms is soft or damaged drywall where the wall meets the shower or tub particularly near the floor.
Wall cavities affected by water damage are vulnerable to mold growth which also has a pungent musty odor.
In some cases water damage may be fairly light usually caused by something as simple as water spray escaping around a faulty shower curtain.
If there is a strong musty smell near a certain area of your wall there could be a water leak or mold growth behind it.
A musty smell indoors can also indicate a water leak.
Mold on walls and baseboards.
Repairing a water damaged bathroom wall is a task that is within the capability of most seasoned diyers.