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Old 01-10-2016, 10:48 AM   #29
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Isn't checking the roof each year part of normal maintenance? Something I am lax on doing.
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Old 01-10-2016, 10:49 AM   #30
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Old 01-10-2016, 10:56 AM   #31
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Thanks Rich. I see that now. I was using quick reply.
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Old 01-10-2016, 11:05 AM   #32
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I was told by JC to expect a full day or a little more for the roof job, at $1000 per day. My expectations are 2 days for what I want so I am already prepared to pay that much.
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Old 01-10-2016, 01:16 PM   #33
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Hi Larry, we had our 23' pressure tested and the rain test. We also had the roof seams cleaned and resealed. It took 8 hours for the reseal and the technician said it's best to have it done every 3-5 years. .
I'm still surprised at this issue related to roof seams. Roof penetrations, yes, but seams? As I understand it, most of the sealant is between the overlapping aluminum sheets under the rivet line and not exposed to weathering. My '98 has never leaked at a roof seam, and I annually inspect them testing to see if they will wick water.

Has anyone had pressure testing done that revealed a leaking roof seam?
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Old 01-10-2016, 01:41 PM   #34
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I don't believe that the factory seams of the aluminum sheets themselves are ever addressed - they are sealed for life. (Unless you need to replace a panel due to hail damage or what have you)

It's all the other caulking around external components / where the roof has been cut in order to accommodate the air conditioner, Sky light, etc... That caulk breaks down due to exposure to the elements over time and has to be removed and re-sealed to avoid water penetration.

I think I paid somewhere between $1k and $2k last time I had this done at timeless travel trailers here in Denver. Preventative maintenance. My trailer is 8 years old now so I think time for a second go around.....
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Old 01-10-2016, 02:35 PM   #35
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The lengthwise seams are not on rivet lines and the sealant bead is much bigger. Those are the seams that are beginning to crack. The vent sealant has already required touchup.
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Old 01-10-2016, 04:13 PM   #36
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They must have changed the way they construct the roof. My lengthwise seam on the roof has rivets about every inch.

And I'm still curious if this recommendation for caulking of roof penetrations every 3-4 years is a function of the new caulk they are using. As I've mentioned before, my original factory caulk job looked good for up to 10-15 years (depending upon the component).
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Old 01-11-2016, 10:53 PM   #37
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The lengthwise seams are not on rivet lines and the sealant bead is much bigger. Those are the seams that are beginning to crack.
Larry
The more I think about this the more it puzzles me. This comment came from a member who owns a 2012 25' FB International and was talking about the roof seams. Are they really building them with a seam between two aluminum sheets that are only held together with adhesive/caulk?
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Old 01-12-2016, 04:35 AM   #38
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The more I think about this the more it puzzles me. This comment came from a member who owns a 2012 25' FB International and was talking about the roof seams. Are they really building them with a seam between two aluminum sheets that are only held together with adhesive/caulk?
Or was he describing the sealant where the awnings are mounted?
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Old 01-12-2016, 05:31 AM   #39
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I am sure I am wrong about the rivets, it is too cold to take a ladder out there now. But I do know that the lengthwise beads of caulk on the top of the roof are wider and bigger than the crosswise beads.
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Old 01-13-2016, 02:39 AM   #40
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Airstream adds an eight or ten inch wide panel to the roof sheet metal as they are unwilling to order sheets the proper width for the trailers. So that seam is the full length of the white roof.
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Old 01-13-2016, 09:02 AM   #41
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Airstream adds an eight or ten inch wide panel to the roof sheet metal as they are unwilling to order sheets the proper width for the trailers. So that seam is the full length of the white roof.
Also noticed that on mine. I have never understood why Airstream refuses to address the inherent leak potential of piece meal assembly of the roof. Why not not us a single panel and wrap it down the sides? The result would be a minamizing of the leak potential.
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Old 01-13-2016, 10:42 AM   #42
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Airstream adds an eight or ten inch wide panel to the roof sheet metal as they are unwilling to order sheets the proper width for the trailers. So that seam is the full length of the white roof.
Is it because Airstream is unwilling to order wider sheets or because Alcoa is unable to provide them, as I understand it. I know some folks dislike Airstream's processes, but really . . .
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