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Old 05-17-2021, 03:38 PM   #1
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Caulk Question

Looking for Caulk recommendations. We need to do the roof and for that part of the project I purchased the Dicor self-leveling caulk but I'm reading that for the sides and windows I would be better off with something else. How is the non-self-leveling Dicor or is there something else recommended?

Thanks

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Old 05-17-2021, 04:00 PM   #2
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Body sidewalls I have been using clear RTV Silicone. Use ONLY Dicor on the roof no silicone products or some folks have switched to Eterna Bond tape on the roof
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Old 05-17-2021, 04:10 PM   #3
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Old 05-17-2021, 04:35 PM   #4
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Once you go silicone you can't go back:

This is the industry standard for sealing anything on the side of your RV:

https://www.amazon.com/Geocel-GC2810...dp/B001FC98X2/

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Old 05-17-2021, 04:46 PM   #5
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thx just ordered - https://www.amazon.com/Geocel-GC2810...dp/B001FC98X2/
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Old 05-17-2021, 04:49 PM   #6
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Originally Posted by 16ACE27 View Post
Once you go silicone you can't go back:

This is the industry standard for sealing anything on the side of your RV:

https://www.amazon.com/Geocel-GC2810...dp/B001FC98X2/

Great product ACE if I didn't have 3 cases of RTV Silicone that was a parting retirement gift I would be all over that!
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Old 05-17-2021, 05:22 PM   #7
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I use a big box store product called Lexel on my vertical surfaces. I think it is superior to silicone in every way except ease of use. Itís pretty sticky and getting a smooth bead takes a bit of practice. Itís good stuff.
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Old 05-17-2021, 05:43 PM   #8
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I use the Geocel caulk 16ACE27 has posted as well, but I would highly recommend making the smallest tip cut opening possible (and work up if required), use gloves and have a small soapy water throw away container handy. Practice making some beads on something else (not your RV) first because this stuff is not your typical forgiving house caulk. I would even suggest taping off either side of the bead location (the areas where you donít want this Geocel caulk to get onto if you have a fat smoothing finger) even though taping is a PIA. I have found with tape though, I can get a bit of stringing occurring when it is removed.......but I would rather be early removing the taped edges, than wait too long. If you use tape practice the removal timing as well. Many folks have no issues using it, but I treat it with respect and do a smaller length bead of caulking at a time; finish it and move on to the next segment. It is very sticky caulk.
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Old 05-21-2021, 01:36 PM   #9
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Sikaflex 221. Available on Amazon. It is not silicone, but it turns into a solid rubber material when dry. I used it to repair the half assed factory caulking job over the frameless windows in our Challenger. Works awesome. Their website has lots of info and specs on all their products. Good stuff.
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Old 06-29-2021, 01:02 AM   #10
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Silicone does not stick to itself once cured. You have to remove all of it including the film left after trying to cut it off a surface. There are products that do, with scrubbing, remove the surface film. I have successfully done this on granite in my bathroom shower. I will never use silicone in a bath or shower again. I don't remember the name of the product that I used, but it was flammable and takes 24 hours to cure. Mold resistance and 20 year life. The best thin almost invisible bead.

For the RV, Dicor on the roof and ProFlex everywhere else.
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Old 07-01-2021, 11:43 PM   #11
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Originally Posted by RV Pirate View Post
Sikaflex 221. Available on Amazon. It is not silicone, but it turns into a solid rubber material when dry. I used it to repair the half assed factory caulking job over the frameless windows in our Challenger. Works awesome. Their website has lots of info and specs on all their products. Good stuff.
I've used that on my boat but not the RV. Does it come in clear?
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Old 07-01-2021, 11:53 PM   #12
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I use this



Geocel 28100V Pro Flex Crystal Clear RV Flexible Sealant - 10 oz, Quantity 1 (GC28100) https://www.amazon.com/dp/B001FC98X2...1YHPJQE556XVN*
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Old 07-02-2021, 04:59 PM   #13
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Originally Posted by Scubawise View Post
I use this



Geocel 28100V Pro Flex Crystal Clear RV Flexible Sealant - 10 oz, Quantity 1 (GC28100) https://www.amazon.com/dp/B001FC98X2...1YHPJQE556XVN*
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