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The Home Depot

Why Are My Pool Tiles Falling Off?

Pro Referral > Home Guides > Pool and Hot Tub > Why Are My Pool Tiles Falling Off?
Why Are My Pool Tiles Falling Off?

When your pool tiles begin falling out – seemingly out of nowhere – you the homeowner could be left scratching your head. It takes a lot of work to maintain a pool, and you probably do a lot to make sure that everything is the way it should be.


Don’t fret too much. The problem of pools mysteriously losing their tiles is actually a very common. It’s also not much of a mystery. It all boils down to movement. What do I mean? Well, read on to find out some common reasons why your pool tiles might be falling off.

  1. 1. Weather

    When things freeze, they contract. When they are heated up, they expand. This natural phenomenon could have an effect on your swimming pool. It’s not so much that your pool will shrink and expand, but the deck or earth that surrounds it might.

  2. 2. Underground damage

    Again, this is where changes brought on my expansion and contraction can come into play. More specifically, ice can be behind this problem. Your pool should have something called an expansion joint that helps it accommodate for freezing temperatures. This joint is sealed with caulk, but that can develop cracks and needs to be retouched periodically.

  3. 3. Pool damage

    Pool damage: Cracks or other damage to your pool can be behind your tile loss problem. There are all kinds of things that can cause damage to your pool, from simple wear and tear to the above mentioned weather changes. That’s why it is so important to properly maintain your pool. Ward off weather related damage by keeping your pool filled to the proper water levels, especially in the winter.

  4. 4. Deck problems

    Problems with your deck can have a big impact on your pool. Your deck is also prone to temperature-related changes. It’s important to make sure your deck is in good condition. If it’s made out of wood, make sure it is properly treated so that the wood won’t warp or experience drastic changes as the weather fluctuates. You should also make sure that your pool has a proper buffer between the deck and the pool to protect the pool from deck movement.

  5. 5. Built-in spa complications

    Does your pool have a built in spa area with a whirlpool tub? That could be the source of your tile loss problems. Just like your deck, the spa area is prone to movement that can have an effect on the pool.

  6. When your pool begins losing tiles, your first reaction might be to simply stick them back on. However, it’s important to go beneath the surface and figure out why those tiles fell off in the first place. If you don’t know enough about your pool to figure out what is causing the problem, enlist the aid of a trained pool professional.

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