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Old 08-07-2015, 10:02 AM   #1
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What sealant to use on sidewalls of RV?

I am taking the RV out this weekend and going to check the roof for any cracks in the sealant and hit it with self-leveling Dicor if there are any. But what should I use on the sidewalls? I have a gap in some of the trim on the back panel that I would like to fill but I don't believe self-leveling Dicor is the right stuff for that. I am also going to check around the windows and lights on the sidewalls as well. If there are cracks or gaps, do I try to remove the sealant that is already there or can I apply something over top of existing sealant like the Dicor on the roof?

***Edit*** I found that Dicor makes a non-leveling sealant as well. I assume this is the stuff to use on sidewalls? Can I put it over other sealant like the self-leveling stuff or does the existing sealant need to be removed?


Thanks.
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Old 08-07-2015, 10:40 AM   #2
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Quote:
Originally Posted by gmacklem View Post
I am taking the RV out this weekend and going to check the roof for any cracks in the sealant and hit it with self-leveling Dicor if there are any. But what should I use on the sidewalls? I have a gap in some of the trim on the back panel that I would like to fill but I don't believe self-leveling Dicor is the right stuff for that. I am also going to check around the windows and lights on the sidewalls as well. If there are cracks or gaps, do I try to remove the sealant that is already there or can I apply something over top of existing sealant like the Dicor on the roof?

***Edit*** I found that Dicor makes a non-leveling sealant as well. I assume this is the stuff to use on sidewalls? Can I put it over other sealant like the self-leveling stuff or does the existing sealant need to be removed?


Thanks.
I would like to know the answer to this too.

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Old 08-07-2015, 02:40 PM   #3
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I have been using silkaflex for stuff like that because it moves a bit.....
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Old 08-07-2015, 04:09 PM   #4
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non-leveling Dicor.
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Old 08-07-2015, 05:04 PM   #5
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I am looking at doing the same thing to my RV. So I went to the dealer and they told me to use non-leveling Dicor.
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Old 08-08-2015, 01:25 PM   #6
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Have the same question...need to seal a leak in trunk door. slimjc...there are a bunch of different Sikaflex products...which are you using?
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Old 08-08-2015, 05:13 PM   #7
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I use Dyco 20/20 in the tube. It dries fast and stays flexible. Available in different colors including clear. I usually will mask with tape, paralleling both sides of the joint to be sealed. Immediatly after applying, l peal the masking off.
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Old 08-08-2015, 05:34 PM   #8
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I have heard that this is good, but haven't had a chance to use it yet.
All RV Aftermarket Products : Pro Flex RV Flexible Sealant
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