I am noticing my inground pool's deck shifting/cracking/moving (and it's really scary!) My pool is 13 years old and I've been noticing this for about 5 years now but it's gotten a lot worse in the last year. It might be related to the drought in California - I don't know. I'm not sure what to do or who to contact. For instance, my deck is in large "sections" and some whole sections are seeming to sink (at the part of the concrete deck furthest away from the pool wall, near my fences.) so it creates a gap between the top of the pool and the bottom of the deck concrete that surrounds the pool at the top. Some of the gaps are > 1/4" wide.
There is also a crack in the concrete where the skimmer basket is, and that is getting wider. I hope it won't cause any plumbing problems or water leaks.
It seems to me that if someone were to put something under the bottom of the concrete that is sinking it would prop it up so there would be no gap at the pool edge, but I don't know if that is possible or advised. I don't even know if this is anything to WORRY about, it may just be aesthetic. It may be that it would be advised to demolish the shifting/moving/cracked deck sections and re-do them?
Has anyone else had a similar issue, and if so, what did you do? Who do you call?