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Old 10-06-2021, 02:35 PM   #1
2 Rivet Member
 
2005 28' Safari
Decatur , GA Georgia
Join Date: Aug 2017
Posts: 29
Rotting floor

I have a 2005 Safari 28 foot rear bed room AS.
Discovered a soft spot in the floor of the passenger side rear bedroom closet area. I cut out the laminate flooring to discover a six inch square rotted sub floor area with a wet spot extending out about a foot showing water discoloration. This is area is aliened exactly with the rear cap riveted seam and rear awning attachment area. I removed the awning attachment hardware and re-caulked the plates, filled the screw holes with silicone sealant and reinstalled. The area still is leaking. Ran water down the seam line and no obvious leaks.

The interior "mouse fur" lined walls show no discoloration or signs of leaks.

Any suggestions where to look next or how to test the area for a water leak?

thank you
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Old 10-06-2021, 02:48 PM   #2
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1992 29' Excella
2010 22' Interstate
Van By The River , Georgia
Join Date: Feb 2002
Posts: 2,209
Hi Decatur,

I am not an expert on locating leaks but it sounds like you're on the right track. Slow, methodical, keep searching. It's a two person task - one on the outside and one on the inside. Many times water leaks are not obvious and a series of paper towels taped to the inside or placed in the appropriate location on the floor will show evidence of water not seen by the naked eye.

My main reason for commenting is your use of silicone. Once again, I'm not an expert but I'm reasonably certain that Airstream does not recommend use of silicone. There are several sealants suitable for our trailers and most are not available at home centers or typical hardware stores. Be sure to search for other threads regarding Sealants, Sealants Summary, etc.

In the metro Atlanta area you will be able to purchase the appropriate sealants from Southland RV in Norcross. Many of the sealants suitable for Airstreams are not commonly available in RV parts centers that service other brands.

On Edit: Here's the thread I was thinking of - it's long but has very useful information, some conflicting but that's what happens on a forum when everyone has an opinion. I've used most of the items listed in the first post and they seem to hold up well. Sealing an Airstream is something that has to be addressed periodically - every few years to every ten years depending on weather conditions and use.

https://www.airforums.com/forums/f45...ry-116214.html
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Lucius and Danielle
1992 29' Excella Classic / 2010 Interstate
2005 Chevrolet Suburban K2500 8.1L
2018 GMC Sierra K1500 SLT, 6.2L, Max Trailering
Got a cooped-up feeling, gotta get out of town, got those Airstream campin' blues...
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Old 10-07-2021, 05:53 AM   #3
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2008 27' International FB
Petaluma , California
Join Date: May 2011
Posts: 917
Images: 5
Hi Decatur,

Not sure if your Safari is susceptible to the "rear bumper leak" syndrome but I found that the reflectix insulation layer under the floor can hold water that gets in for a long time. Your leak may be elsewhere and just pooling in that area. Check out this rather lengthly thread. https://www.airforums.com/forums/f39...ml#post1262866 I ended up removing the reflectix, drying the floor and epoxying the floor. - Brad
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Old 10-07-2021, 06:22 AM   #4
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2009 34' Panamerica
2005 28' Classic
Still , in the thick of it
Join Date: Jan 2018
Posts: 578
Leaks can be elusive. You can look and see if there are glaring sources of entry, or you can play cat and mouse, but realistically having the RV pressure leak tested is by far the best and fastest way to find the sources of leaks coming from the exterior.

https://rvleaks.com/testing-locations/

It is not inexpensive from what I understand, but, you've already thought you found the culprit, only to find it was not the source. Your time is worth something, so even if you don't have the testing facility do the repair, at least you have a more clear direction on where to start, and in all likelihood, you may be surprised to find other questionable areas beyond your initial quest.
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Old Yesterday, 08:33 AM   #5
2 Rivet Member
 
2005 28' Safari
Decatur , GA Georgia
Join Date: Aug 2017
Posts: 29
Quote:
Originally Posted by nvestysly View Post
Hi Decatur,

I am not an expert on locating leaks but it sounds like you're on the right track. Slow, methodical, keep searching. It's a two person task - one on the outside and one on the inside. Many times water leaks are not obvious and a series of paper towels taped to the inside or placed in the appropriate location on the floor will show evidence of water not seen by the naked eye.

My main reason for commenting is your use of silicone. Once again, I'm not an expert but I'm reasonably certain that Airstream does not recommend use of silicone. There are several sealants suitable for our trailers and most are not available at home centers or typical hardware stores. Be sure to search for other threads regarding Sealants, Sealants Summary, etc.

In the metro Atlanta area you will be able to purchase the appropriate sealants from Southland RV in Norcross. Many of the sealants suitable for Airstreams are not commonly available in RV parts centers that service other brands.

On Edit: Here's the thread I was thinking of - it's long but has very useful information, some conflicting but that's what happens on a forum when everyone has an opinion. I've used most of the items listed in the first post and they seem to hold up well. Sealing an Airstream is something that has to be addressed periodically - every few years to every ten years depending on weather conditions and use.

https://www.airforums.com/forums/f45...r brands..html
Went to Southland and purchased their shop recommendation of gray Adseal. Thanks.
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Old Yesterday, 09:15 AM   #6
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2017 30' Classic
2022 Interstate 24X
Carlisle , Pennsylvania
Join Date: May 2017
Posts: 12,470
Hi

On a 2005, the seals around each of the items that go through the roof would be pretty high on my list of suspects. Yes, this involves crawling around on the roof .... Seals around windows would be next on the list. Since they don't involve the roof, maybe you check them first .....

Bob
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