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Old 05-20-2014, 12:44 PM   #1947
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Originally Posted by JacobMerridy View Post
What's the general consensus on basic care to stop the spread of filiform from the experienced folks ?

1. CorrosionX - wipe on the spots ?
2. Dab corrosionX on the rivets and seams ?
3. Use Boeshield on bottom where jacks are and on rims ?
4. Wash and wax - keep trailer clean ?

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My filiform situation. There are smaller spots around the panels of the Airstream where filiform is beginning.
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Old 05-20-2014, 12:46 PM   #1948
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That about sums it up. If you have any filiform there are a couple of more "aggressive options" that have been used. Read this thread backwards and you'll find them. Our 23FB had a couple of tiny spots. I treated them as you described and in two years they never spread.
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Old 05-20-2014, 12:55 PM   #1949
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K - thanks for heads up.
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Old 05-20-2014, 08:10 PM   #1950
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Having seen the marker lights they appear to be totally sealed. Even the wires out the back are sealed so doubt that they should pick up any water other than any normal condensation that occurs on a sealed item that is exposed to the sun.

There is also grey caulking around each screw through the base that totally cover what I will describe as the two circular mounting areas that protrude through the foam to keep everything sealed.

Took the storage yard whacking an interior wall to knock my light off the mount. Light popped loose, mount was fine but had to remove it to reattach one of the wire leads.
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Old 05-20-2014, 09:25 PM   #1951
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Having seen the marker lights they appear to be totally sealed. Even the wires out the back are sealed so doubt that they should pick up any water other than any normal condensation that occurs on a sealed item that is exposed to the sun.

There is also grey caulking around each screw through the base that totally cover what I will describe as the two circular mounting areas that protrude through the foam to keep everything sealed.

Took the storage yard whacking an interior wall to knock my light off the mount. Light popped loose, mount was fine but had to remove it to reattach one of the wire leads.

You may be lucky and have no lights that leak. But, fact is that some will probably take in water and some of those will be severe. Thing is, if you do find that one or two start picking up moisture inside and you want to fix, do all the lights. There is plenty of info posted on this thread that will guide a total fix. Just depends on how much you want to get involved. Do remember, however, water in LED lighting is much more damaging than inside older incandescents--meaning the light will fail.
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Old 05-21-2014, 04:17 PM   #1952
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Does anyone know when Airstream stopped using Alclad aluminum and went to a plain aluminum alloy sheet for exterior construction? Was it at the same time that Alcoa started finishing the AL sheets with baked on clear coat? Or was it earlier than that?
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Old 05-21-2014, 04:28 PM   #1953
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Old 05-21-2014, 05:18 PM   #1954
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The documentation Airstream maintains is impressive. I bet their job costing bill of materials system is equally impressive.
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Old 05-21-2014, 05:51 PM   #1955
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So in the 70s it was 6061 or 3003, 3004 alloys. It appears that the pure aluminum clad stopped in the 60s. Does any one know if the trailers after the Alclad (2024-t3) stopped being used will polish to a high shine.
I'm asking so to try to work back in time for a better understanding of Filiform. For sure it raised it's ugly head with the start of Alcoa's baked on clear coat in the late 90s.
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Old 05-21-2014, 07:51 PM   #1956
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Colin Hyde may be a good person to ask. I've been curious lately how the clearcoat on the earliest pre-coated AS's are holding up. I guess this would mean 1998. I wonder if this clear coat will eventually peel off like the vintage.

There is an AS in our WBCCI unit. It's a 99, and the clear coat is failing on the end cap. It could be that the end caps weren't pre-coated. That chart I posted seems to indicate some segments on the 98/99's weren't pre-coated.
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Old 05-21-2014, 07:56 PM   #1957
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Howard L, if it helps.. I've seen trailers from the 2000's polished. I have had and seen quite a few airstreams , mostly from the 50s and 60s. We recently got a 77 airstream from fl with so so much corrosion it's ridiculous. I've never seen a 50s or 60s with filoform like this. I often see 70s trailers polished. I don't often see many 80s or 90d or 2000s polished.
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Old 05-25-2014, 09:51 PM   #1958
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Colin Hyde may be a good person to ask. I've been curious lately how the clearcoat on the earliest pre-coated AS's are holding up. I guess this would mean 1998. I wonder if this clear coat will eventually peel off like the vintage.

There is an AS in our WBCCI unit. It's a 99, and the clear coat is failing on the end cap. It could be that the end caps weren't pre-coated. That chart I posted seems to indicate some segments on the 98/99's weren't pre-coated.
I've been wondering also Landrum. Will some of you early posters with early 2000s trailers let us know how the Baked-on Alcoa clear coat on the skin is holding up itself. Is it still clear, turning hazy or yellow. Has it peeled anywhere, like the older plastic coats? Also if you will, post your thoughts on the later progression of skin Filiform once you started a maintenance program with corrosion X or Corrosion Block. Are new areas popping up like in the beginning or did the Filiform attacks slow to almost a stop. Also, as time has gone by, have you noticed more spots of Filiform on the skin of the molded/formed end caps?

Thanks
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Old 05-25-2014, 11:56 PM   #1959
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Originally Posted by Howard L. View Post
So in the 70s it was 6061 or 3003, 3004 alloys. It appears that the pure aluminum clad stopped in the 60s. Does any one know if the trailers after the Alclad (2024-t3) stopped being used will polish to a high shine.
I'm asking so to try to work back in time for a better understanding of Filiform. For sure it raised it's ugly head with the start of Alcoa's baked on clear coat in the late 90s.
I know that Filiform did occur on a 1971 AS that I owned. Original clear coat.
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Old 05-26-2014, 10:22 AM   #1960
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For me and my 2003, Filiform spots are many, most about the size of a pencil eraser, I bottled them with T-9 and CX. I'm not going to worry about it and enjoy the trailer. It not a big deal to me.
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