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Old 03-16-2008, 02:14 PM   #1
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CR Laurence Polurethane CRL #M64

When I picked up the trailer from service a few days ago the guys gave me an opened tube of CR Laurence Polurethane (CRL). it looks like Vulkem but is a little eaiser to work with. Its this stuff available retail.

Thanks

Don
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Old 03-16-2008, 02:20 PM   #2
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Here's a link to their website: C.R. Laurence

We spec & see their products all the time on jobsites ~

Shari
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Old 03-16-2008, 02:21 PM   #3
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Which flavor?

CRL M66, M64 or 877?

Tom
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Old 03-16-2008, 03:21 PM   #4
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CRL M64 Gray Polyurethane Construction Sealant


I looked at their web site and they sell wholesale onle. I did a dealer request and will get a response next week.
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Old 03-16-2008, 03:38 PM   #5
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Try SikaFlex 221 polyurethane sealant. It's what the Airstream factory uses and the only sealant that I use...........very smooth and BOMBPROOF. Just don't exect to remove anything you seal with it without a lot of cutting and effort!!!!!!!!!!!
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Old 03-16-2008, 03:49 PM   #6
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Quote:
Originally Posted by lewster
...........very smooth and BOMBPROOF.
I fully agree! It skins over much faster than Vulkem -- within a couple hours or overnight for sure. The gray is an excellent match for aluminum. It is pretty easy to obtain over the internet from Austin Hardware - Austin Hardware & Supply Inc. :: Sealants & Adhesives :: SIKAFLEX 221 :: 221-G (thanks to Markdoane for this source). It isn't available at vintagetrailersupply.com.
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Old 04-04-2008, 06:12 PM   #7
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Thanks for the info about Sikaflex. It sounds like a wonderful product!
I am having a problem removing clear silicon (about 6 foot) installed over a seam by the PO. With the help of a razor blade, I have very carefully removed all but the last layer of silicon. The adhesive remover (by Ace Hardware) and everything else that I have been told to try, has failed. Any ideas? I know the silicon will melt under heat, but, no torches please!
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Old 04-04-2008, 06:24 PM   #8
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Quote:
Originally Posted by freedom
Thanks for the info about Sikaflex. It sounds like a wonderful product!
I am having a problem removing clear silicon (about 6 foot) installed over a seam by the PO. With the help of a razor blade, I have very carefully removed all but the last layer of silicon. The adhesive remover (by Ace Hardware) and everything else that I have been told to try, has failed. Any ideas? I know the silicon will melt under heat, but, no torches please!


I have found that Mineral Spirits work well on silicon. At least it help me remove the glass from the frame that the PO had used to help seal them.
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Old 04-04-2008, 06:27 PM   #9
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Quote:
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. . . . It is pretty easy to obtain over the internet from Austin Hardware - Austin Hardware & Supply Inc. :: Sealants & Adhesives :: SIKAFLEX 221 :: 221-G (thanks to Markdoane for this source). It isn't available at vintagetrailersupply.com.
OUCH! The last time I bought Sikaflex from Austin, it cost about 1/4 the current price. At first I thought they were pricing it by the case.
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Old 04-04-2008, 06:44 PM   #10
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Robert,
Thanks for the mineral spirits tip....have tried and it seems to dissolve minute pieces of the silicone. Maybe I have to just keep rubbing eehh? We all want a miracle cure! Thanks again for the info, and have a great day. I am back to the silicone beast.
Mark
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Old 04-04-2008, 06:46 PM   #11
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Quote:
Originally Posted by markdoane
OUCH! The last time I bought Sikaflex from Austin, it cost about 1/4 the current price. At first I thought they were pricing it by the case.
I get it for much less than that!

Let me know how much you need and I'll get you a price..............
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