We had a brand new Ultra Frame fail in a year. This is our replacement with mods to keep water away from the joints. In addition, we used clear silicone caulk to seal the connection of the vertical poles to the plastic feet (cups).
By the looks of the large rectangular pools, there is much less potential contact with the joints than with the round ones.
For those interested here is a post I made detailing our mod:
I've made a few posts detailing the rust issues I've experienced with my Intex pools and am brainstorming some ideas in how to best prevent water from getting into the ends of the horizontal supports. My Ultra Frame uses plastic t-connectors with integrated locking pins. With my last Ultra...
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