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Old 06-09-2015, 02:05 PM   #11
pr_dog's Avatar
Join Date: Apr 2013
Location: Eastern Passage, Nova Scotia, Canada
Posts: 51
leaking roof

Originally Posted by Jim G View Post
Also be sure it is not coming in around the windshield. I had a small pesky leak and tried sealing with silicone to no avail. Then I found out about a "liquid" silicon sealant that goes on very thin then hardens. It drips into very small cracks and leaks better than other sealants. I Got it an Advance Auto. Also, follow the advice of the pros, and if you are pretty sure your leak is at the cap, remove all of the old sealant, clean it up real good, and reseal with professional lap sealant.
It is a lot more trouble than patching, but much more reliable
Around the windshield is the first place my dealer and myself thought the leak was but it wasn't. I had a auto glass company reseal the windshield and not fix it. I have used the stuff you said and also a black rubbery gasket maker all around the windshield rubber. Still a leak so I finally found a place on the upper corners of the cap to roof joint that was allowing water in and probably since the rig was made. I told Forest River that it was since made and they said "we seal it good". No repair suggested by them or my dealer. I sealed up both corners and no leak for a few days or until the next major rain storm. After dealing with it for over a year and sealing up areas I believed was leaking it still leaked. Desperate to fix it I used Eternabond tape in the corners and across the front over the sealent already there as recommended by other posts here. One place on the right along the side near the front had the sealant lifted a bit. Replaced it 2 days ago and am now waiting to see if it is still leaking after a good heavy rain. If it is good it will sure be a relief then I can fix the rotted out dash board.

Thanks for your reply. Bob ((pr_dog) prairie dog)

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Old 06-18-2015, 12:21 PM   #12
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Join Date: Dec 2011
Location: Tampa, FL
Posts: 253
An update on the roof repair:

Yesterday after driving for three days, I went up on the roof to inspect things. I found that the Eternabond tape had lifted at the right corner where the leak occurred, and the left corner had shifted slightly. At highway speeds, there is very likely more turbulence at the front corners of the motorhome than in other areas of the roof.

It was very disappointing, as the Eternabond did so well during the pouring rains in the past few weeks while we were camped. Fortunately, this was discovered before any water damage occurred.

This morning I removed all the Eternabond at the front cap seam and scrubbed the area again with acetone. The front cap seam was then completely covered using six tubes of Dicor. The Eternabond tape on the rear cap seam was still good, as is another patch near the front where Forest River had cut a hole for satellite dish cables. The eternabond tape just can't seem to take the air turbulence at the front corners.

2010 Georgetown 373
2013 Jeep Wrangler
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Old 06-19-2015, 11:48 AM   #13
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Join Date: Apr 2015
Posts: 16
roof leak

We just got our 2010 Georgetown last fall, after taking it out of storage, and the first heavy rain discovered the very same leak you are describing, which would drip down the left side, water running into the area below the windshield. We just resealed the roof in that area on top and around any lighting on the upper front side above the windshield. No more water worked very well.
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Old 08-02-2015, 06:20 PM   #14
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Join Date: Apr 2011
Posts: 73
I had a roof leak about two weeks ago. My leak is on the drivers side running from center to the wall where the side wall meets the roof above the window near the sofa. I checked the seams, but I was wondering if it could be coming from the area around the AC unit and running down. Anyone else had this problem. 2010 GTown 378XL. Click image for larger version

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Old 08-03-2015, 01:23 PM   #15
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Join Date: Jul 2012
Location: Western New York State
Posts: 972
My vinyl headliner in the bedroom is soaked. I first posted about the yellowish stain coming through the white vinyl and how to remove it when I pulled out the two in-ceiling lights to find the foam under the vinyl wet. After tightening down my bedroom AC and sealing the driving light outside which are above the inside ceiling line I was hoping I found the source of water intrusion. Well just yesterday I found that my clothes rod in my bedroom closet fell during the our ride home from Cape Cod last week. Again, upon inspection the screw holes for the clothes rod were all wet. Once again I pulled down the ceiling lights and now the foam is loaded with water. I was ready to rip it down right then and there but my wife stopped me and said we are taking the rig up to Hamilton, Ont. Canada in two weeks and what will the rig look like. I went up on the roof as I have now done at least 6 to 8 times looking for areas that the water could be getting in. I can't find any obvious areas except along the driver side almost mid-ship the fiberglass roof is bubbled where it joins the RV long seam where the fiberglass is attached with what appears some kind of mounting strip with screws. I am wondering if the bubbles is water under the fiberglass and is the just a shoddy roof install from the get go. Don't really know what to do at this junction because I still haven' identified the exact intrusion point. I have thought about taking it somewhere for one of those fog and pressure things on the inside but I don't know how accurate they are and I'm leery of being told a song and dance by some RV shop, which I don't regard to highly. Also thinking of covering the entire length of the side roof seams, both sides with Eternabond Tape along with the front and rear caps. At this frustrating juncture I really don't know what I'm doing. As of now I feel like taking it somewhere, let them deal with it, bear the financial pain and sell the damn thing. I'm not a mechanic and unlike some more inclined I don't plod through these things at a "pebble in the basket" type pace with satisfaction of the challenge.

2011 Georgetown 330TS
Kia Sportage on MasterTow Dolly
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leak, roo, roof

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