The reasons for failure are many.
Why pool tiles fall off the wall.
We find that the installers don t back butter their tiles with the thin set to ensure they get 95 to 100 attachment or and that they don t properly key the thin set into the back of the tile to ensure an adequate attachment.
Home tribune premium content home ask the builder why tiles fall off walls and how to fix them why tiles fall off walls and how to fix them ask the builder november 8 2013 these wall tiles had poor adhesion to the wall.
If the sound is not hollow the tile is still firmly attached.
For example if the substrate fails the tiles will fall.
Special pool tile adhesive and sealant shoudl be used for pool tile installation because they re made to be used in water environment.
Materials that are more expensive but with good quality can save you a lot of maintain cost in the future.
Apply that concept to the area where your tiles are applied and you have a solution.
So what do you do if the tiles start to fall off the wall.
Tap the cracked tile with a hard object.
Since the tile is flat and in the same plane the wall surface must also be a perfect match.
However they are high maintenance and things can often go wrong.
If the substrate cracks the tile most likely will crack with it.
Potential causes of fall off there are numbers of factors that stick tiles to the wall and lacking them can cause tiles to fall off.
The 8 inch by 10 inch wall tiles in my bathroom are bulging out in places.
We generally find the membrane isn t properly installed.
I feel this in conjunction with skinned over adhesive is the root cause of your tile failure.
As ceramic tile get larger the wall or floor surface must be flatter and flatter.
So if you use the regular grout that is for home decor floor or wall tiles to install pool tiles it can also cause the pool tiles to fall off.
What it boils down to is that if the substrate fails substrate is the surface the tiles are mounted on then the tiles will fail.
The weather of course.
The wall surface could have been irregular with humps and dips in it.
To install pool tile choosing the accessory materials is as important as choosing the pool tiles.
Your pool is probably outside and that means your tiles are beholden to the weather.
There are a number of factors that keep tiles on the wall any of which can cause the tiles to fall off if there is a problem.
Why tiles fall off your swimming pool walls july 13 2017.