Water is insidious and I have seen first hand what a very small leak can do. Often the actual damage is far worse than the early signs indicate. Left undetected for even a few months it can create enough black mold to pose a health hazard and structural weakness.
This is an example of water intrusion caught before there was any signs of water damage in the interior. If you are seeing the signs indicated, there is a decent reason to do a more thorough inspection. The RV.NET photo uploader does not work on this site yet works fine for me posting on several other forums ???
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