Before making a repair because of bathroom wall water damage it is important that you discover the source.
Repair bathroom wall water damage.
The drywall in the bathroom above the shower and bathtub is typically subjected to a daily onslaught of steam.
Before beginning a repair in the bathroom you should make sure that the water to the room is shut off.
If you have more severe plaster damage with wall material falling off the lath use the process at this link to make repairs.
If there s a lip at the top of the shower stall water collects there and seeps into the drywall causing it to soften and crumble.
Water damage in the bathroom could be caused by something as simple as water spray from a shower head water seeping into faulty caulking around the tub or it could be something more serious like a leak in a pipe behind the bathroom wall.
How to fix a water damaged plaster wall beside the bathtub.
On the outside of the window apply a bead of caulk to the crack in the wall.
You may need to bring in a long line of contractors to get things back in order.
Do so by closing the main water valve.
In a worst case scenario your bathroom might have suffered structural damage and mold and mildew is present as well.
Dry the wall surface with a fan heater then tape some kitchen foil tightly over the affected.
To begin the repair on the outside of the window first prep the area by cleaning the window sill and ensuring that the weep holes are free of debris.
Erasing signs of the damage in your bathroom is dependent on the severity of what s occurred.
In this instance the damage is usually confined to the wall where the showerhead and faucet is located and it may be found anywhere on the wall not just down near the base.
Although the sheetrock used in bathrooms is usually greenboard.
Rarely water damage to a tile wall can be caused by leaking pipes within the wall.
If you re not sure of the cause of a damp patch on a wall try the foil test.
The repair process on this page can be used to repair water damage to the surface layers of plaster walls and ceilings.
Check the bottom of the page for a video of this repair process.
This indicates a more serious plumbing problem that must be fixed before you repair.
Here are the basics on repairing water damage in a bathroom effectively.
A common problem in bathrooms is soft or damaged drywall where the wall meets the shower or tub particularly near the floor.