Keep in mind that even after fixing everything it won’t stay fixed. I inspect my coach top to bottom 4 or 5 times a year and almost always have to fix something. Mine is just a visual check so I’d not be surprised if I’m missing things a pressure test would find. Leaks are the Achilles heel of the RV world. But given how much damage an undetected leak can cause I’d say it’s worth whatever it takes to plug verified holes! Congratulations on being proactive and good luck.
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