The RV ceiling and walls don't look great. It is reasonable to think that they are water damaged. Also some of the cabinets in the rear of the RV have expanded like a spunge due to water leaks. I was am replacing the walls can ceiling, this time using materials that are unaffected by water. But while the RV interior was all torn apart we had some rain storms which was a great opportunity to go hunting for leaks.

Keep in mind I had previously re-sealed the drip rails that cover the outside junction between the roof and walls. This likely eliminated 90% of the leaks. So I was just hunting for the remaining leaks.

1. Fixed - There was leaking from the top of the rear window. Turns out running light on the roof had its cover go missing. Water was coming in through the screw holes. I replaced that light assembly.
2. Partially Fixed - There were water dripping from the upper window frame on both the main drive and passenger side windows in the living area. I added some more caulk to the driver side window top. I could see where the prior caulk and split. On the passenger side window however, I couldn't figure out where the water was coming in. This one is still a mystery.
3. Fixed - There was drips of water coming down from the top of the windshield. I caulked along the outside top of the windshield, covering over seals that had just become too old to hold water out.
4. Not Fixed (yet) - There was water in the channel of the front driver side and passenger small windows. Water is expected to be in that channel and there are slits in the window frame to allow the water to run out. At some point I need to add some hot glue to the open end of the channel so that the water is forced to run out the slit rather than running out the open end of the channel to behind the wall by the front seats.
5. Not Fixed - There was a tiny amount of water coming in on the passenger side where the outside drip rail cap covers. This is a gnarly joint to seal as the roof, wall, and front cap all come together. I had previously used a bunch of butyl tape to fill that void and seal the cap to the body. But at some point I should probably add caulk / filler. However there is a only a tiny bit of water coming in. This is not a priority.

Movies

Documenting rain water leaks prior to replacing ceiling.m4v (611.4MB)

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