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Old 07-11-2010, 09:53 PM   #1
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Sikaflex

A lot of the posts I have read recommend Sikaflex 221. Has anyone used Sikaflex 227? It sounds like it is geared more towards Airstreams. Is this something new or doesn't it work as well?

Our trailer is completely gutted, with a new floor. Supposedly the leaks were fixed....not so. We plan on fixing them ourselves now. I also ordered the Acryl-R for the smaller seams. This is all a learning process that's for sure.
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Old 07-12-2010, 12:18 AM   #2
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Originally Posted by deccli View Post
A lot of the posts I have read recommend Sikaflex 221. Has anyone used Sikaflex 227? It sounds like it is geared more towards Airstreams. Is this something new or doesn't it work as well?

Our trailer is completely gutted, with a new floor. Supposedly the leaks were fixed....not so. We plan on fixing them ourselves now. I also ordered the Acryl-R for the smaller seams. This is all a learning process that's for sure.
-d
Sikflex is correct for the right dealing a specific job. It is not best for all jobs. Acryl-R is good for seem sealing from the outside. Use it when it is warm and the metal is warm it helps with the capillary action. Sikiflex on bigger seems around window and doors and the like.
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Old 07-12-2010, 06:08 AM   #3
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Never tried it, but I use 221 by the case!

If you're in a hurry, you might use the 227 if the bonding properties are the same as the 221.

I know that besides Airstream, many large manufacturers of luxury motor homes use the 221 also.

Maybe the fast cure feature is just too fast?
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Old 07-12-2010, 09:31 AM   #4
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I would stay with what the mfgr. suggests 221. Except at window tops where you have a lot of UV exposure then they suggest 721. I love the stuff and best part is that it cleans up with soapy water ( if you dont let it dry).
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Old 08-21-2010, 04:06 AM   #5
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My question is, where to buy this and/or the Vulcum116/Trempro 636 in the US.

I'd all but given up here in Canada, but since we're making a trip to the US (Seattle, driving through Spokane) in the next couple weeks, its popped back to the top of my mind. Probably plan to do the job at some point in the next while, just would like to have the stuff on hand.

But we can't order it obviously, and other then 1.5 days in Seattle and a stop in at the Airstream dealer, we're not likely to be in the US that long or going off the beaten path on vacation looking for industrial adhesive. I assume the Spokane Airstream dealer would carry this? Home Depot/Lowes? The search on the forum seems pretty vauge about who has it other then VTS or Inland.

Also, we have an Argosy, so I assume they make it in white, or shades of white?
How much roughly should I need? I plan on redoing everything, as well as the windows27 foot with wrap around windows and vista view windows. Previous owner (was only 2 before me) looks like he did some sealing himself (or the factory guys were doing it on a Friday) but its held it appears.

That somewhat makes me leery to peel it all away and put a fresh coat on, but it is drying up and starting to flake away pretty good in spots. Who knows, I may end up having someone who knows what they're doing ultimately do the job (and, maybe paint her and get new striping on her too), but prefer to have the materials ready.

Its also a silly/lazy question, but instead of a new thread, put it here...but the seams themselves on the body of the trailer that appear to be just riveted and not sealed...should a layer of sealent be applied there? If so, the same Sikaflex/Vulcum or something else? The seams on the end caps (recall that Argosy has steel end caps) especially looke like they could use some help. Just that there appears to be no sealant on them strikes me as odd that I would suddenly put sealant on.

Thanks for any direction/advice.
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Old 08-21-2010, 06:13 AM   #6
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give'm a call

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Originally Posted by lbrownah View Post
.......I assume the Spokane Airstream dealer would carry this? .........
Thanks for any direction/advice.
brownah

Give them a call and they will order it just in case. Ask for Doug.

509-534-8599



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Old 08-21-2010, 06:36 AM   #7
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Where to buy Trempro 636?

Vintage Trailer Supply. (Vintagetrailersupply.com). They have lots of good stuff.
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Old 08-21-2010, 08:30 AM   #8
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You can get any Fastenal in Canada to order Vulkem for you, I think I paid about $7 a tube for the 636. They tack on a bit for shipping but it's still quick and convenient.
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Old 08-21-2010, 08:32 AM   #9
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The Sika 221 is what I can't find anywhere.
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Old 08-21-2010, 02:02 PM   #10
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Airstream website sells the caulking products you are looking for. I just got 4 tubes of the 221 from them. Ordered it Wednesday from Ohio and it was delivered to me in Texas on Friday. $8.14 a tube and $9-- something shipping, no sales tax.
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Old 08-24-2010, 02:52 PM   #11
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How is the Sikaflex 715 for fantastic fan & skylight re-caulk .Its pretty new hard to find, has anyone used it .
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Old 08-24-2010, 03:05 PM   #12
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Here is link on info for Sikaflex 715 http://www.sikaindustry.com/sikaflex...s_7.2.08rs.pdf & New Sikaflex®-715 RV Roof Sealant | RV Accessory News dealer phone Number for under $10.00 a tube 574-293-7442
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Old 08-24-2010, 05:40 PM   #13
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How is the Sikaflex 715 for fantastic fan & skylight re-caulk .Its pretty new hard to find, has anyone used it .
I use it almost exclusively now rather than Dicor self-leveling sealant. it is much more pliable and a little softer than the Dicor, and should be used with the recommended primer/cleaner for maximum adhesion. It will not dry out and crack like the Dicor does in a couple of years.
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