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Old 08-05-2016, 04:33 PM   #1
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Oscilating multitool to remove roof calk.

Hi all.

Has anyone used a multitool with scrapper attachment to remove some or most old caulk on roof of you AS? If you have any suggestions or tips?

Thanks.

JL
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Old 08-05-2016, 07:59 PM   #2
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That sounds like a good way to get permanent gouges in the aluminum. Buy a few of these and put them on your drill. You can stack them for flat areas or just use one to get in tight spots.

http://m.skygeek.com/3m-048011-30098...disc-3-in.html

If you're dealing with silicone, get the silicone remover available at Vintage Trailer Supply.
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Old 08-05-2016, 08:40 PM   #3
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Save the roof; use plastic scrapers or sharpen wood paint stir and follow up with the silicon remover and alot of elbow grease. NOTHING METAL for safety sake. Also been there.
Mike
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Old 08-05-2016, 11:11 PM   #4
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Oscilating multitool to remove roof calk.

Also a heat gun or even a hair dryer can make most sealants a little less difficult to remove. The plastic or wood wedges are a great idea as well.
Dennis
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Old 08-06-2016, 07:22 AM   #5
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I'll repeat a suggestion I found here a couple of years ago. Go to the pt store and get some of those dried cow hooves they sell for chew toys. They say it's like a giant fingernail and that it won't scratch aluminum.
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Old 08-06-2016, 04:21 PM   #6
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Even though I feel like I'm swimming against the current here, I'll raise a hesitant hand and stammer out, "I used a multi-tool to remove the leftover caulking under my A/C." That stuff wasn't just hardened in place, it was fossilized! Sure, the multi-tool with the blade on it scratched the aluminum up, but I put another layer of caulking back on, then put my A/C on top of that. Then coated the whole roof with NASA ceramic paint. I can't see any scratches...

(It worked great!)
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Old 08-06-2016, 05:36 PM   #7
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Quote:
Originally Posted by SuzyHomemakr View Post
Even though I feel like I'm swimming against the current here, I'll raise a hesitant hand and stammer out, "I used a multi-tool to remove the leftover caulking under my A/C." That stuff wasn't just hardened in place, it was fossilized! Sure, the multi-tool with the blade on it scratched the aluminum up, but I put another layer of caulking back on, then put my A/C on top of that. Then coated the whole roof with NASA ceramic paint. I can't see any scratches...

(It worked great!)
What is NASA ceramic paint? It sounds expensive.
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Old 08-06-2016, 07:50 PM   #8
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NASA ceramic paint.
I sometimes joke with my wife about caulking the Airstream and fording the river. I shudder to think what you might be attempting with your NASA ceramic paint. Re-entry from orbit?
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Old 08-07-2016, 06:48 AM   #9
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Supertherm Multi-Ceramics paint. http://www.supertherm.net/multicera.htm
OK, it's not actually from NASA, but I guess that it uses some of the tech that was developed for the space program.

I don't know if it quite lives up to all the breathless hype on the webpage, as my Airstream can still get to over 100 degrees inside on a hot day, sitting in the sun. But I guess that every little bit helps, and it did seal my roof quite well. On a day that touching the uncoated part of the trailer instantly burns my hand, I can barely feel any heat on the painted part. It took a gallon to do the entire roof section.
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