80% of the homes built here 2000 and up have CPVC in them 80% of them have compression stops on them. We, have used compression stops on them. Never had an issue with them being compression. Im more concerned of a dumbas5 not drying off the stub out good enough or cleaning the paint off of the pipe and the sh!t blowing off in the middle of the night. Florida air doesnt do copper right.
galvanized passing through a concrete slab tight up against an old piece of pressure treated lumber bottom plate. rotten as hell. seen it break right off at the slab trying to remove an old tub valve numerous times.
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