Steel walls vs Concrete walls for a vinyl lined pool?

[patrickspools]

I posted a few of the steel wall failures I've come across recently. I would say after 10 years at least 20% of steel wall pools have some type of wall movement. Possibly more. For me when I see a steel wall that we are renovating I expect them to be out of level, out of square, not straight. They are simply not a permanent structure

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