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10-16-2015, 02:17 PM
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#1 |
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Registered User
Join Date: Jul 2008
Location: Eastern Oregon
Posts: 2,384
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Drip Rail Sealant ?
Has anyone used self leveling rubber roof sealant on the drip rail channel ? According to the mfg it should work but thought I would ask you guy's before attempting it. Thanks
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71 C-20 07 Magnum RT AWD |
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10-16-2015, 03:32 PM
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#2 |
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Registered User
Join Date: Nov 2012
Location: 9
Posts: 862
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Re: Drip Rail Sealant ?
I would use seam sealer, I believe that's is about all anyone uses, and what the factory used. When it comes to seam sealer there are alot of options, some better than others.
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10-16-2015, 04:20 PM
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#3 |
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Registered User
Join Date: Jul 2015
Location: Central Coast, CA
Posts: 501
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Re: Drip Rail Sealant ?
The previous owner used some kind of sealer to fill in the channel above the windshield on my '70 - then painted over it with the two part catalyzed urethane - this was about 3 or four years ago - he must not have chosen the right stuff because it has cracks beginning to open up and not just in the paint.
Sorry I can't tell you what he used or why it cracked so I'm not much help there but I can suggest that whatever you use is going to stand up to the heat/cold cycling and ultraviolet and or infrared radiation from sunlight; and maybe has a similar coefficient of expansion as both your sheet metal steel and whatever paint you end up using. I wonder if auto body lead solder might be better in that location? Probably 3M has something easier in an elastomer. |
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10-16-2015, 05:30 PM
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#4 |
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Registered User
Join Date: Aug 2012
Location: Topeka Kansas
Posts: 2,655
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Re: Drip Rail Sealant ?
3M makes a seam sealer that is sandable and paintable.
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10-16-2015, 05:42 PM
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#5 |
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Grand PooBaa Member
Join Date: Jan 2001
Location: LA, CA
Posts: 5,302
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Re: Drip Rail Sealant ?
3M Seam Sealer, at any auto paint supply company. That's what I used.
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10-16-2015, 11:47 PM
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#6 |
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Who Changed This?
 
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,594
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Re: Drip Rail Sealant ?
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~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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10-17-2015, 11:31 AM
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#7 |
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Registered User
Join Date: Oct 2014
Location: Mesa AZ (Near Phoenix)
Posts: 2,302
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Re: Drip Rail Sealant ?
3M seam sealer.
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"Life is too short to drive a boring vehicle". Later, Wayne 
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10-17-2015, 02:08 PM
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#8 |
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Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,189
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Re: Drip Rail Sealant ?
I can tell you what not to use - dynatron 550 seam sealer. Not self leveling, not user friendly, not easily sandable as it says.
I have to grind it all out and switch to something self leveling |
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