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Old 05-24-2022, 11:10 PM   #1
Heb
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2018 23' International
Happy Valley , Oregon
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Scrape and Reseal the Roof

Havenít seen a complete roof reseal. So I started tonight after a few weeks of research hereÖ this is my 2018 23FB International Serenity.

so here is what I did: Click image for larger version

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About 3 hours in have removed sealant from roof vents, front major seams, and 1/3 rain gutter on curb side. What ever the white marshmallow sticky crap is in the rain gutter is the the devilÖ it sticks to everything after scrapped and breaks up to a million pieces. Dicor or adseal? The grey is easier to remove as long strips.

Questions:

1.) how much do you have to remove off the rivetís? And good tools or techniques to getting them perfectly clean?

2.) screw heads, and good recommendations to strip everything off screw heads.

So far have only used plastic tools. Have not broke out a razor blade. Tried a little break cleaner. Have not resorted to mineral spirits yet. Thanks all!
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Old 05-25-2022, 08:42 AM   #2
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I'm not going to answer your question about old fillet seal removal, because it can be a b*t*h. I am going to take this opportunity for an Airstream rant. Why in the world Airstream can't use a faying surface seal (sealing the mating surfaces of skins and components) is beyond me. If Airstream would just do this one simple thing their leak problems would just disappear. It's just like them ignoring the front and rear frame separation.

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Old 05-25-2022, 09:20 AM   #3
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The $1500 question? Do it yourself or have the dealer do it?
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Old 05-25-2022, 01:36 PM   #4
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Quote:
Originally Posted by airwoody View Post
The $1500 question? Do it yourself or have the dealer do it?


After peeling most the Adseal off my roof and finding several areas that were not fully sealedÖ I think I am better off long term doing it myself. While this is not a fun job, I also donít mind doing the work. Have full control over sealant used and timeframe. And I think on its way more than $1500 now, more like $2-3k.

At the same time I am replacing my back up camera, adding roof vent covers, repainting the tongue and wheel wells. Would be a few thousand dollars, when I the materials is less than $500.
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Old 05-25-2022, 01:39 PM   #5
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The black tank vent was not previously leaking, seal appears ok. Replace just cause itís only $20 on Amazon or reinstallÖ


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Old 05-25-2022, 01:42 PM   #6
Heb
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Quote:
Originally Posted by Aerowood View Post
I'm not going to answer your question about old fillet seal removal, because it can be a b*t*h. I am going to take this opportunity for an Airstream rant. Why in the world Airstream can't use a faying surface seal (sealing the mating surfaces of skins and components) is beyond me. If Airstream would just do this one simple thing their leak problems would just disappear. It's just like them ignoring the front and rear frame separation.

Sent from my Lenovo YT3-X90F using Airstream Forums mobile app


Itís so much fun! If only, but they have their reasons and till then we are stuck. No major leaks on my AS in 4+ years. Hopefully it all reseals up well!
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Old 05-25-2022, 04:03 PM   #7
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I used 715 also to seal the black tank valve after properly installing the funnel. That stuff works very nicely, but yeah, I had a hell of a time getting that crumbly white sealant off. I donít think I realistically got all of it off even after using mineral spirits.
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Old 05-25-2022, 05:25 PM   #8
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We must be lucky...we've only had to repair the leaks that were never discovered on the PDI, all build related. Both FF vent covers cracked at all mount screws, skylight the same. Both antennas. Black tank vent not installed properly. All repaired with 3M 5200 and 3M Extreme Sealing Tape

Bob
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Old 05-25-2022, 07:22 PM   #9
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Quote:
Originally Posted by mixolydian12 View Post
I used 715 also to seal the black tank valve after properly installing the funnel. That stuff works very nicely, but yeah, I had a hell of a time getting that crumbly white sealant off. I donít think I realistically got all of it off even after using mineral spirits.


I put 14 hrs into scraping/goo gone sealant gel then a second scrape with mineral spirits, I think it is as good as itís gonna get. That crumbly white sealant is the spawn of satanÖ 🤣
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Old 05-25-2022, 07:26 PM   #10
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Quote:
Originally Posted by ROBERT CROSS View Post
We must be lucky...we've only had to repair the leaks that were never discovered on the PDI, all build related. Both FF vent covers cracked at all mount screws, skylight the same. Both antennas. Black tank vent not installed properly. All repaired with 3M 5200 and 3M Extreme Sealing Tape



Bob



I looked for your 3M tape when I started researching a few weeks ago but it isnít on Amazon anymore.

The vent covers arenít in terrible shape but found multiple leaks in my rear hatch and I think the front was on the edge of leaking! Maybe we should gone with fiberglass trailers..
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Old 05-25-2022, 07:34 PM   #11
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Well, here is where we are after 14 hrs of scraping and prep. Whole roof vents/seams prepped. Feel free to inspect and criticize!


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Old 05-25-2022, 08:41 PM   #12
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WOW !! Nice ! No need to criticize a job like that. Did you use masking tape to keep the edges nice and straight and prevent smearing ??

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Old 05-25-2022, 10:08 PM   #13
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Quote:
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WOW !! Nice ! No need to criticize a job like that. Did you use masking tape to keep the edges nice and straight and prevent smearing ??

Dan


Have not resealed yet. Just finished stripping. I plan to use masking tape when I apply sealant on Saturday though.
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Old 05-26-2022, 06:20 AM   #14
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Guess I need to retrain my old eyes !!! Or put my "cheaters" on !!

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Old 05-26-2022, 09:30 AM   #15
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Henry 887 Tropicool ?

I jsut want to throw out a question regarding the re-sealing of Airstream roofs --
Has anyone explored using Henry 887 Tropicool 100% Silicon Roof coating?

Here are a couple of links
https://henry.com/retail/white-roof-...e-roof-coating
https://www.homedepot.com/p/Henry-88...S018/205049553
I have personally used this on a couple of projects (not our Airstream yet) but I can tell you this stuff puts down a layer that really seals. It's essentially using a paint roller to spread a layer of white silicone rubber over what ever you are doing. It has a lifetime warranty to boot.

I am interested in folk's comments. Is it just -- well, we have always used this other way so that it what we will keep doing.

OR, is this a new and better way ?

Travel Safe !

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Old 05-26-2022, 11:07 AM   #16
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Quote:
Originally Posted by Heb View Post
Well, here is where we are after 14 hrs of scraping and prep. Whole roof vents/seams prepped. Feel free to inspect and criticize!
I don't think you did it right....

You should probably practice on my coach now, just to perfect your method.

Seriously, nice job!

At your stage in the game, I'd strongly suggest replacing your skylights with a Maxium triple layered one. Our factory AS skylight was the source of our leak...but it took me months to figure it out! These are vastly superior and if I can install them (from mostly inside the coach!) anyone can! https://maximskylights.com/airstream-skylights/
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Old 05-26-2022, 12:59 PM   #17
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Quote:
Originally Posted by NIdaho View Post
I jsut want to throw out a question regarding the re-sealing of Airstream roofs --
Has anyone explored using Henry 887 Tropicool 100% Silicon Roof coating?

Here are a couple of links
https://henry.com/retail/white-roof-...e-roof-coating
https://www.homedepot.com/p/Henry-88...S018/205049553
I have personally used this on a couple of projects (not our Airstream yet) but I can tell you this stuff puts down a layer that really seals. It's essentially using a paint roller to spread a layer of white silicone rubber over what ever you are doing. It has a lifetime warranty to boot.

I am interested in folk's comments. Is it just -- well, we have always used this other way so that it what we will keep doing.

OR, is this a new and better way ?

Travel Safe !

Bob
I'd avoid using any product which coats the roof in silicone - nothing will stick to it well in the future, and you'll likely have need for something to stick in the future.

I coated my roof last year with Bus Kote, which is a multistep product designed for painting vehicle roofs. I was very impressed with it, and this year it's even harder than it was when I first applied it. It's supposed to contain particles to help reflect the heat from the sun and result in reduced roof temps.
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Old 05-26-2022, 01:24 PM   #18
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Quote:
Originally Posted by Heb View Post
I looked for your 3M tape when I started researching a few weeks ago but it isnít on Amazon anymore.

The vent covers arenít in terrible shape but found multiple leaks in my rear hatch and I think the front was on the edge of leaking! Maybe we should gone with fiberglass trailers..
Interesting...I just bought the 1.5" wide last week to re-stock the AS tool kit.

Ebay has the 3" wide in a 3 roll bundle. I'm happy with it, no problems so far 8 seasons + & counting

Bob
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Old 05-26-2022, 07:58 PM   #19
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Looks pristine! Can I ask: 1. What prompted you to undertake this project? 2. How do you know theres a leak in the old sealant? Thx for the thread. (Im going to have to tackle this sooner or later, probably sooner.)
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Old 05-26-2022, 09:37 PM   #20
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Looks pristine! Can I ask: 1. What prompted you to undertake this project? 2. How do you know theres a leak in the old sealant? Thx for the thread. (Im going to have to tackle this sooner or later, probably sooner.)


We had a leak in the rear fantastic fan. Water was in the inside housing for it, slow/occasional drip. I already had an appointment with my dealership that I made 2+ months ago for a few other minor repairs. When I called to ask to get the vents resealed they said they could fit it in, but turn around time was going to be over 3 weeksÖ we had a vacation in the trailer coming up exactly three weeks after the drop off. So when my parents offered to let me use their shop to do the work myself, and store inside for a week after. I figured $2k+ for dealership or less than $200 to tackle it myself. Worst that happens is I screw it up and they fix it.

As you look closely you find little gaps, then when you peel the sealant off you find dirt or water behind the sealant.

This has been a super good learning opportunity for how carefully I need to check my sealant and what to look for in the future. Glad I started it even if my hands are super sore.
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