There s no point in fixing damage that will only recur so the first step is to determine the cause of.
Rotten wall behind bathroom tile.
If the studs are fine you can proceed to re tiling the bathroom wall.
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Be sure to upgrade the faucet shower head and plumbing behind the wall.
Stud walls need replacing with wetboard aqua board shower tray may need removing but a cupboard would need to.
Recurrent mold and mildew on bathroom surfaces broken tiles decaying grout or caulk and poor waterproofing may lead to moisture forming behind the tile painted surfaces and wallboard.
The tiles need to come off all three walls and sink splash back.
Replace the wallboard with greenboard which is a moistureresistant sheetrock.
With tiles removed you.
But if you decide to go the whole route of removal.
0 i finally got around to replacing the caulk in my shower stall only to discover that the wall board behind the lowest tier of ceramic tile is crumbling presumably from.
Cut out the drywall.
Once you have found the damage begin to remove the affected tiles.
First install a vapor barrier.
Once you get to the end of the rot you could always reframe the damaged area and use a tile that will accent the older tiles so you do not have to remove all of them.
Depending on the severity of the.
Rotten wall board behind shower tile date.
Then pull the tile and small squares of drywall out together.
Drop those pieces into a bucket of hot water to separate the gypsum backing from the tiles.
To remove tiles that won t budge reach into the wall and use a utility knife to score the drywall from behind.
If a proper ventilation system doesn t help you probably have a moisture build up below the surface of walls or the floor.
Since the mold and mildew are actually growing from the inside out repeated scrubbings won t help this problem.
You might be able to get pieces from a local lumber yardof home depot these get damaged all the time and you only need a small amount.
Nail thepieces on then you can apply a thick coating of tile adhesive and replace the tiles.