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Water issues!

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aggie camper
Senior Member

USA
433 Posts

Posted - Nov 06 2009 : 2:11:12 PM

I have a Flagstaff 831BHSS with a rear storage compartment door that isn't sealing enough so rain gets into the compartment. I am not sure what is below (inside) the shelving or if water is trapped inside or getting into the wood flooring of the trailer etc.. I put a towel in this storage area and after a good rain the towel was totally wet. So I have since bent the latches to make the door tighten much more up against the weather stripping. This should take care of this problem and am leaving the storage door open all weekend to let air circulate.
Just noticed the other issue.....my bathroom is at the rear of the TT and I have a brown rain water stain in the back right ceiling corner, with a light brown streak going down the shower wall all the way down to the bathtub floor. This was not there 2 weeks ago when I used my TT. I am wondering if the caulk line across the rear of my TT (separating the vinyl roof material from the fiberglass wall) is allowing water into the unit. Plan on getting up there this weekend to look at it. Do I need to take off the old caulking fromt the factory or just put down more over it? What if I can't find the leak?
Would appreciate any advice as I need to get this fixed ASAP.
Thank you,
Joe

'08 831BHSS
'10 Nissan Armada
Equalizer WDH
Prodigy

CaLBar
Average Member

Canada
254 Posts

Posted - Nov 07 2009 : 06:48:06 AM

Joe,

I had several issues with the storage compartments especailly the back one. Here are the several fixes that I had to use on one or all of them.

1. The rear compartment door frame drain holes are on the side and not on the bottom so the door frame will drain on the inside of the weather stripping and leak into the compartment. I drilled a couple of holes in the bottom to allow the frame to drain.
2. Had the caulking seperate between the compartment frame and the fibreglass. Water used to sit on the top horizontal frame inside the compartment and run down into the compartment. Could feel it with my fingers across the inside top. Couldn't see it as it was up top. Re-caulked the entire frame.
3. On the back compartment since it is vertical and not horizontal like the other the seam on the weather stripping was on the side and not the bottom. when rain came from a certain direction the water running down the on the outside would seep into the seam and eventually leak into the campartment. Fixed this with #4.
4. There is a channel on the frame that the weather stripping would cover in the corners and sometimes on the horizontal and vertical portions of the frame. This channel needs to be clear and the weather stripping needs to be completely on the outside of this channel. The channel will drain any water that gets past the weather stripping down to the bottom of the frame and allow it to run out the bottom. Assuming your seam from #3 is at the bottom and not the side. I removed the weather stripping, started at the bottom so the seam would be there and made sure I kept the weather stripping on the outside of the channel. I also left a 1/16" to 1/8" gap in the weather stripping at the bottom to make sure the channel could drain properly.

This has so far in over a year fixed all my compartment door leaks. I used at least one on every door.

As for the roof leak if you have seperating vinyl that is a guaranteed leak. Not necessarily the one causing the stain but a good place to start. I used Eternabond on all of my seams. If you can't find the leak take it to a dealer that can do a pressure check leak test. This makes leaks a lot easier to find.

I could try to send you pictures of the compartment if you need to. Let me know and I can PM them to you. Or at least try to.

Good luck water leaks are nasty things.

Rob

CaLBaR
2009 Toyota Tundra 5.7 4x4 TRD Crew Max
2007 8298SS
Reese HP DC

Capn Courage
Moderator

Canada
743 Posts

Posted - Nov 07 2009 : 07:27:31 AM

Joe

I had a similar problem in our bathroom back in the spring, our bathroom is at the rear of the trailer also. At first I thought it was condensation from the bathroom skylight, so I pulled the inside covering off of the skylight but could not see any water trail.

I decided to remove the caulking from around the skylight and reseal it as it did show some signs of aging and apparently the caulking does not adhere well to the material the skylight domes are made of.

Removing the old caulking was not easy, after an hour or so of carefully trying to get the old caulking off I gave up. I bought a roll of the 4" Eternabond tape and applied it right over the existing caulking. It went on great and conformed to the existing caulking very well. I also did the rear roof seam and around the vents. So far no sign of any leaks and we had a very wet summer here with lots of rain.

I plan on doing the rest of the roof joints with Eternabond also, great product, easy to use and works well over top of existing caulking.

Norm

Capn & Mrs. C
Phoenix The Camping Sheltie
2002 GMC Safari
2004 Rockwood 2304
Eaz Lift WDH
Reese AntiSway
Nights Camped 2008 = 66
Nights Camped 2009 = 74

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