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Old 11-21-2003, 12:55 AM   #421
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Thumbs up Thanks~!

Safari Tim...
You're a gentleman and, a wise scholar to boot~!~

That's the one~

ciao
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Old 11-21-2003, 03:58 AM   #422
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Quote:
Originally posted by McMullen
As I clean and fiddle with the outside of the AS I find quite a few places where someone has sealed seams with silicon seal. I for sure want to remove all of that. I hate to even think of how to get every vestage of silicon seal off.
If the clear coat is gone, then I have heard that spray on gasket remover and a trimmed popsicle stick are the best way to remove silicone. I my self have not done it, but Insideout here on the forum has using this method. She says it works well to remove the silcone. The gasket remover can be aquired at most autoparts stores.

Once the silicone is off the application of vulcem along the seam lines as described above is additional insurance against leaks. There is a layer of vulcem betwen the panels placed there at assembly. The sealing of the seam is to ensure that if there was any gap or seperation since the unit was built, you will stopwater from penatrating.

Many times owners cannot find a leak and just start sealing everything whit whatever they can get at Home Depot This leads to Airstreams with silicone on every seam and the leak is still there. The silcone also will not stay stuck to the skin, so even if it fixed the leak it will eventully fail
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Old 11-21-2003, 08:27 AM   #423
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McMullen, another way to use Vulkem (instead of Parbond) to seam roof seams without a syringe is to put a piece of blue painter's masking tape along both sides of the seam. Leave a 1/16" gap and apply the Vulkem. Then smear it into the seam well with a wet finger. Release the tape, and voila! perfect sealed seams.

I did this last weekend. Took only a few hours to do the whole Caravel and the result is nearly invisible.

--RL
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Old 11-21-2003, 09:28 AM   #424
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Thank You all . You have answered my ?s extremely well. I live a lot of my life in the Marine world. so much of each year is spent working and playing on my sailboat. It surprises Me that none of you use 5200. Thats the sealant of choice in the Marine world. But I guess a differant sealant for a differant aplication. I will buy theVulkem for the seams and the Silkaflex for the vents, hatches and decklites. Thanks Mac
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Old 11-21-2003, 10:07 AM   #425
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well, if your airstream is made of wood or fiberglass, then perhaps that would be a better choice If your boat is made from alluminum...maybe you're on to something!

consider "parr bond" for the small seams, too. it comes out of the tube in almost liquid form, and flows into those really tight gaps well. Use the Vulkem for the wider gaps (>1/8th inch) like over the windows, and the vent gaskets, etc.
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Old 11-21-2003, 10:34 AM   #426
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I should mention that the only reason I used Vulkem other than Parbond was that my seams are uneven. At most points the seams are tight but occasionally they gap up to 3/16". I attribute this to wear & tear over the past 38 years. Anyway, it was easier to just do the Vulkem/tape technique for a whole seam than keep switching between Parbond and Vulkem depending on the width of the gap. This is probably a vintage issue.

Since this was originally a polishing thread I should also point out that I expect to re-do the roof seams once polishing is done. I don't expect the thin bead of Vulkem to survive the polishing process, whereas a bit of Parbond might seep in enough (?) to avoid the buffer.

-- RL
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Old 11-21-2003, 10:51 AM   #427
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yeah, the parr bond almost disappears into the seam. I did the seams on my endcaps a couple months ago, and its hard to tell that it was done. when you apply it, it looks like you've put a bead along the joint. But the next morning...its gone.

did you see the "Hands on History" thing about building airstreams? I couldn't believe how thick they layed on the vulkem on the inside of the shell. it was like "plastered" on there. real heavy and messy. but it all gets covered up by the interior skin, so "no big whoop".
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Old 11-21-2003, 01:31 PM   #428
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Question Sealing seams....

I find this quite interesting. Are you all saying that you mask both sides of a seam where the aluminum meets and put vulkem across the seam. So when you remove the tape instead of the clean look of the metal seam, you see a bead of vulkem running the side of the trailer?

That does not sound like it would look very good.

As far a polishing off vulkem it is VERY difficult. When I first got the trailer to try and seal stuff up, I put vulkem over the top half of every marker light. Big mistake. For one it was very difficult to get off. And it looked awful.

When I pulled off the original marker light, there was no sign of sealent anywhere on it from the factory. The wire came through the skin via a rubber gromet, but no sealant of any kind.

So, when I put my new markers on, I put a small amout of gutter seal that was recommened here before, under the light and just around the tops of the screw and wire holes. With the lights mounted you cannot see any sealant. Much nicer look.

I could not imagine having vulkem running across all the seams of the trailer. Roof would be ok, but nothing else.

One tip though, don't put vulkem on anything until after you compounded the trailer, if your polishing it. Because the mess of compounded turns the vulkem black with oxidation.

As a side note, watching the vintage DVD shows an airstream being put together. They show the INSIDE of the seams being sprayed with some heavy duty sealant spanning about 3-4 inches across the seams. Then they show a water test spraying high speed water on the trailer and checking for leaks. Very interesting.
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Old 11-21-2003, 06:00 PM   #429
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Quote:
Are you all saying that you mask both sides of a seam where the aluminum meets and put vulkem across the seam. So when you remove the tape instead of the clean look of the metal seam, you see a bead of vulkem running the side of the trailer? That does not sound like it would look very good.
Actually, it looks fine. The bead is very very small (1/16" is what I aimed for). Most of the Vulkem is in the seam where you want it. It is unnoticeable at a distance of about two feet.

I only Vulkem'd the roof seams and those seams along the front and rear that were likely to leak (gapped open). A tiny bit of barely visible Vulkem is greatly preferable to the sight of water drops running down my walls, which is what I had before!

-- RL
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Old 12-24-2003, 08:51 PM   #430
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Thumbs up Update

Quote:
53 you decided to come up with an overview of the process ???
As some of you may remember, we started this project for several reasons..
1. To build a repository of information.
2. To avoid the same mistakes.
3. Just in case, this forum should ever go by way of:
The Bit bucket~!!
If you don't know what that means, PM me and, I'll clue you in~

Progress report:
To date, the entire thread has been copied and printed out.
A outline has been generated with a mission statement.
Credit will be given as noted unless otherwise contacted.
The good, bad and ugly will be included, along with pictures.
Copies? Yes, there will be copies given to a selected few.
that's it for now.
Happy Holidays wishes to one and all

ciao
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Old 12-25-2003, 12:14 AM   #431
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Sounds like a good start.

How do you plan on distributing the information once its compiled?

One idea I had was to make it into an ebook. Like this guy.

Of course he charges for his, but that's an option as well
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Old 12-25-2003, 02:09 AM   #432
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Lightbulb kewl~

Safari Tim
That's an interesting thought..
Actually, I was thinking of giving a free copy to those who had polished their unit (like yourself) and, were major contributors to the thread.
Sell copies to everyone else who wanted to buy one.
A small percentage of the monies collected would go to the forum to help defray expenses..Andy's choice..
Perhaps even pay for food/drinks at a future "forum rally"...lol
Any thoughts?

Happy Holidays`!

ciao
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Old 12-25-2003, 07:31 AM   #433
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BOOK

Great idea Vern if you need any help let me know.
I will be checking the Stream this next week to see how the Turtel Wax held up aginst the water spots. Will post results.

Garry
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Old 12-25-2003, 07:36 PM   #434
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Talking Book?

Garry

We'll all be waiting to hear from you..Hope that you have a safe trip down..Speaking of which, if things ever slow down here abit, I'm going to sneak in a trip down to the Beach..
Like you, I miss my A/S...

Book...I saw that..you shy devil..lmao

ciao
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