RV shower stall leaks — What to do?

RV shower stall leaks — What to do?

 

gary-736Dear RV Doctor:
We have a 2007 Damon RV with a leaking “hex” shower stall. It is leaking somewhere in the glass section framing or where the shower sides, glass and plastic connect to the bottom section. The water appears at the bottom of the glass framing where it connects to the plastic shower stall, which is nearly inaccessible. I have half a tube of silicone caulk spread over and through the connection points on the inside, but it is still leaking. Would it be beneficial and easy to take the framing out and really caulk the areas? —John W.

Dear John:
It’s tough to choose a repair path without actually having the benefit of looking at the shower enclosure in question, but in past experiences with single-sided enclosures, it was always proven best to disassemble, clean off the old sealant and reassemble with new sealant. One troubling aspect with this method is that some manufacturers are likely to install the shower enclosure before attaching other cabinetry in the lavatory making it nigh impossible to disassemble and reassemble after the fact. 

showerenclosureBefore attempting anything yourself, I would suggest seeking out a Damon dealer near you. It may even be worth a day trip to find one. Perhaps Damon issued a service bulletin if this problem was chronic. A selling dealer would be on that mailing list. And just perhaps they’ve seen this symptom previously and will know exactly where the leak is originating. It certainly doesn’t hurt to ask. 

One thing you might try: Saturate the enclosure in sections, only allowing the water to pour down one section at a time. This may isolate the offending portion and help pinpoint where the water is entering before exiting. My guess is that it is coming out of the enclosure at the very bottom so it probably doesn’t matter where it actually enters. I’m thinking the seal under the bottom frame is where the leak originates. If there is any “play” in that bottom frame member, perhaps it will be possible to carefully pry it up a fraction of an inch and squirt some silicone under the frame member all the way around.

Again, without seeing it firsthand, it’s difficult to diagnose. A long shot is that the enclosure itself is cracked somewhere allowing the water to escape. This is unlikely unless the enclosure was installed in place while under stress. This could happen if the factory secured a cabinet up against the enclosure after the original installation. Stressing the enclosure at any time after the initial installation can cause the plastic to flex enough to break the sealant. I hope some of these suggestions will help, John. Plus, our readers may have some ideas as well.

Follow Gary Bunzer at his blog, the RV Doctor.

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2 thoughts on “RV shower stall leaks — What to do?

  1. John E

    I had this happen 5 years ago on my Everlite. Dealer fixed it 3 times but it never held. A Ace Hardware dealer told me what the problem was caused by sealant being used. He said that the DAP rep said the sealant cures out over a three week period and at that point releases from the metal in the shower. He recommended using Lexcel sealant due to its adhesive quality. I sealed the shower and its held for 5 years We have been full timing for two and a half years.

  2. LMS

    For starters, you may want to stop using silicone. Try using a siliconized LATEX caulk. They do come in clear as well as other colours and last longer, adhear better than pure silicone. Also all the “bandaid” silicone needs to be removed. When I installed my glass shower enclosure, I used a clear elastomeric sealant instead of the ever popular “silicone”. I also sealed the glass panels in place with the same product. My shower doesn’t leak.

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