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Mystery leak in storage and wet bay ceilings

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Robert Buterbaugh:
Hey its Megan (Bertha's copilot). Thanks to both of you. The water pump, ice maker and fridge area areall bone dry and none of the above are currentlu running. We'll check for water behind the water pump/wet bay, but its pretty clear it's coming from above. There is no bath window on that side but I did take apart the vanity which is directly over the wet bay and the wall and floor behind it are damp. We'll check the roofline seal as well as the shower skylight once we get a break in the weather.  These are the likely culprits.  There will be lots of drying time ahead. Ugh. Will keep you posted.

Robert Buterbaugh:
One more question please. What sealant would you recommend for the roof?

David T. Richelderfer:
Dicor makes several products that are great for RVs - Cap Sealant, Self-Leveling Lap Sealant, Self-leveling Ultra Sealant, etc.  Lexel is always a favorite for smaller sealant jobs... and you should have several tubes in the RV.  For protecting the whole roof and sealing it too, consider Rustoleum Topside Paint.

I use Lexel in the RV and around the house regularly.  I painted the RV roof with Rustoleum several years ago and it remains good-as-new in the Eastern Oregon and Arizona sun.

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