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07-04-2020, 09:58 PM
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#1
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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What is this? The cause? The solution?
Been doing some cleaning of my unit today. The interior of a couple of my windows needs some cleaning or maintenance attention, but I don’t know the problem or the solution. Unsure if this is some kind of flaking or build up. Has anyone seen this before?
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07-04-2020, 11:12 PM
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#2
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Site Team
2017 30' International
Broomfield
, Colorado
Join Date: Apr 2009
Posts: 3,555
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Looks like filiform corrosion. If it is, no good cure. Can sand it off but that creates other aesthetic issues.
Can use corrosionX (wipe it on) to keep it from getting worse ....
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07-04-2020, 11:56 PM
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#3
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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What is this? The cause? The solution?
Quote:
Originally Posted by wulfraat
Looks like filiform corrosion. If it is, no good cure. Can sand it off but that creates other aesthetic issues.
Can use corrosionX (wipe it on) to keep it from getting worse ....
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Seems like a simple part replacement. I wonder if Airstream will sell me a couple of those inners.
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07-05-2020, 02:43 AM
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#4
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Rivet Master
2014 20' Flying Cloud
Sag Harbor
, New York
Join Date: Jun 2015
Posts: 17,523
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What year and model is your trailer? Is that a bathroom window?
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07-05-2020, 07:01 AM
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#5
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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What is this? The cause? The solution?
Quote:
Originally Posted by OTRA15
What year and model is your trailer? Is that a bathroom window?
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On a heavily used, heavily maintained 2015 Flying Cloud. Kitchen windows...it is also mildly happening on every interior (is it vista view?...I think vista view is the top ones though and the lower ones are called something else, Botticelli and Laura would know) window. Noticed on all windows about the same time. I keep my Oceanair roller shades closed often.
Side note, these are light aluminum covers. I hit a deer yesterday that demolished the entire front end of my car and my family shop has priced it out to be $63 for the giant replacement front bumper cover that’s basically the entire front of the car. We live in an era of 3D printing and the internet...there has to be somewhere that one can non exploitively buy these parts. But, I am going to find the part number and discuss it with my RV mechanic tomorrow. I cannot believe what Airstream tried to charge me for THE EXACT product for my fridge sold on Amazon for $49 recently, $149 from Airstream...come on, help your customers out when its failure related and people will stop complaining so much about “quality”.
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07-05-2020, 07:09 AM
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#6
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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I have another cosmetic complaint on the exterior, but one at a time I guess, lol...I have soap scum on two small areas that drive me crazy.
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07-05-2020, 08:50 AM
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#7
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 20,000
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Take 'em off, remove the coating, sand smooth, (wet sandpaper, progressive to 1500grit,(higher if you want a brighter finish, and keep shiny by polishing when necessary.
If JC agrees to replace, it will be with the same part that will most likely develop the same concern.
They are aftermarket parts, with an inferior finish.
Much like battery compartment doors on our Classic.🥴
Bob
🇺🇸
__________________
I’m done with ‘adulting’…Let’s go find Bigfoot.
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07-05-2020, 09:21 AM
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#8
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3 Rivet Member
2013 30' Flying Cloud
Virginia Beach
, Virginia
Join Date: Nov 2009
Posts: 159
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What is this?
Quote:
Originally Posted by Spartanguy
Been doing some cleaning of my unit today. The interior of a couple of my windows needs some cleaning or maintenance attention, but I don’t know the problem or the solution. Unsure if this is some kind of flaking or build up. Has anyone seen this before?
Attachment 372009Attachment 372010
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Agree - probably filiform corrosion. The best practice for removing any corrosion is to use the most gentile approach possible and work up. Using a felt pad could be satisfactory. Work slowly. Impossible goal is factory-fresh finish.
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07-05-2020, 10:21 AM
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#9
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Rivet Master
2012 23' FB International
Woodstock
, Ontario
Join Date: Aug 2014
Posts: 1,423
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It is not filiform. Tmmmhat is cauesed by dissimilar metals. It is simply corrosiooon from moisture on unprotected aluminum extrusion
You can polish it out with polishing compound or as suggested really fine wet sandpaper
Wipe on some urethane clear finish to protect the finish
JCW
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07-05-2020, 10:22 AM
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#10
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Rivet Master
2012 23' FB International
Woodstock
, Ontario
Join Date: Aug 2014
Posts: 1,423
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It is not filiform. That is cauesed by dissimilar metals. It is simply corrosion from moisture on unuprotected aluminum extrusion
You can polish it out with polishing compound or as suggested really fine wet sandpaper
Wipe on some urethane clear finish to protect the finish
JCW
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07-05-2020, 10:45 AM
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#11
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:SPACE A" S/O 11 Air19745
2006 34' Classic S/O
Fort Worth
, Texas
Join Date: Feb 2007
Posts: 1,766
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On the window frames they are mill finished and not clear coated. Clean them up with aluminum wool. Not steel wool, That will turn the surface black in short order. Then clear coat them with an acrylic clear (not lacquer based clear) and they will outlast you.
guskmg
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07-05-2020, 02:42 PM
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#12
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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Quote:
Originally Posted by JCWDCW
It is not filiform. That is cauesed by dissimilar metals. It is simply corrosion from moisture on unuprotected aluminum extrusion
You can polish it out with polishing compound or as suggested really fine wet sandpaper
Wipe on some urethane clear finish to protect the finish
JCW
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After studying filiform corrosion today, I think you’re correct.
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07-05-2020, 02:44 PM
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#13
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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Quote:
Originally Posted by guskmg
On the window frames they are mill finished and not clear coated. Clean them up with aluminum wool. Not steel wool, That will turn the surface black in short order. Then clear coat them with an acrylic clear (not lacquer based clear) and they will outlast you.
guskmg
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Thank you all for giving me the solution here!
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07-05-2020, 02:45 PM
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#14
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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Quote:
Originally Posted by gsmithii
Impossible goal is factory-fresh finish.
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I have a hard time with this [emoji23]
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07-05-2020, 02:54 PM
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#15
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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So then, my second aesthetic complaint. I wonder if it can be solved with a similar solution?
Somewhat difficult to capture in a photo, but the top of my trim on the back has this issue? And my back taillights...I need a lesson in cleaning an Airstream that’s not just “go with the grain”, it’s these accessory/trim parts that I don’t know how to keep looking good
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07-05-2020, 03:21 PM
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#16
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Rivet Master
2019 30' Classic
Canfield
, Ohio
Join Date: Jul 2015
Posts: 2,559
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Are you waxing your trailer? Most of these issues can be alleviated by keeping a good coat of wax on the trailer. That said, I don't use wax. I use Flair which is a hi-tech polish designed for jet airliners.
It is expensive ($35 dollars for one application (you'll need a boatload for your private jet) and goes on hard with a lot of rubbing. Fortunately, if you let it dry completely (about an hour) it comes off very easily.
The instructions say it lasts 5 years, and soap will not remove it. This is not like Nu-finish and looks like any wax.
__________________
"At some point, throwing money at the problem *is* the right answer", Uncle Bob
x\x/x\x/x\x/x\x/x\101970\x/x\x/x\x/x\x/x\x/x\/x\x/x\x/x
Tom & Doty
2019 Airstream Classic 30 Twin
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07-05-2020, 04:21 PM
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#17
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4 Rivet Member
2021 19' Bambi
San Francisco
, California
Join Date: Apr 2019
Posts: 410
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What is this? The cause? The solution?
I don’t wax because the entire internet has a different opinion on the matter and Walbernize products are or aren’t before some year of Airstream...which one, confusing....
I just rinse and dry now after a bad experience of staining the exterior shell of my Zip Dee housing with car wash soap. Terrified of any product on it now.
Walbernize is a soap? A wax? 🤯
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07-05-2020, 10:25 PM
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#18
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Site Team
2017 30' International
Broomfield
, Colorado
Join Date: Apr 2009
Posts: 3,555
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What is this? The cause? The solution?
Quote:
Originally Posted by Spartanguy
Walbernize is a soap? A wax? 🤯
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Walbernize is a wax. I prefer meguiars ultimate wax. Comes off with less effort. It’s good to wax twice per year. Wash with regular car soap from Home Depot or AutoZone or what have you (not from a car wash), apply / remove wax. Easy [emoji4]
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07-06-2020, 01:10 AM
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#19
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Rivet Master
2008 22' Safari
Spicewood (W of Austin)
, Texas
Join Date: Mar 2015
Posts: 2,950
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Filiform corrosion is not caused by “dissimilar” metals. That is electrolytic corrosion. Filiform is caused by moisture, contaminants, and improper storage in harsh environments. NEVER use steel wool on aluminum as it embeds steel particles and THEN you have electrolytic corrosion.
Clean or polish it and then clear-coat it or wax it. (CLear coat is my preference.)
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07-06-2020, 04:39 AM
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#20
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 20,000
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Quote:
Originally Posted by Boxite
Filiform corrosion is not caused by “dissimilar” metals. That is electrolytic corrosion. Filiform is caused by moisture, contaminants, and improper storage in harsh environments. NEVER use steel wool on aluminum as it embeds steel particles and THEN you have electrolytic corrosion.
Clean or polish it and then clear-coat it or wax it. (CLear coat is my preference.)
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YEP...spot on
Bob
🇺🇸
__________________
I’m done with ‘adulting’…Let’s go find Bigfoot.
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