I know that you are not supposed to use PEX outside because the sunlight deteriorates it. Question is there any PEX rated for outside use? Reason I ask is I have some outside plumbing at my cottage (in South Carolina). I try to drain it for the winter but no always well enough. If we have a hard freeze (rare) the copper or CPVC I have used in the past will split. I understand PEX is more forgiving of freeze and thawing. Any type of PEX rated for outside use?
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