Water is the primary "RV killer." Even small leaks can lead to rot and mold that are incredibly expensive to fix.
: Inside, press on walls near windows and in corners. They should be firm. Softness, a "crunchy" texture, or staining on the wallpaper indicates active or past leaks. buying a used fifth wheel
: Use a ladder to inspect the roof membrane for tears, bubbling, or improper "quick-fix" repairs like spray sealant. Check every seam and vent; cracked or pulling caulking is a major red flag. Water is the primary "RV killer