I need HELP!!!: waterproof caulking

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waterproof caulking

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Forum Name: I need HELP!!!
Forum Discription: Perplexed/need help with a problem - ask here
URL: http://www.rpod-owners.com/forum_posts.asp?TID=12946
Printed Date: 13 May 2025 at 6:45am
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Topic: waterproof caulking

Posted By: Happy Tripping
Subject: waterproof caulking
Date Posted: 15 Jun 2019 at 12:06pm

I know Dicor is sorta the standard RV caulk. Its hard to get near me and I tried to get Proflexx but got "Gardner-Gibson Leak Stopper Rubber Flexx" by accident. So, is this a satisfactory RV caulk?

I am repairing damage along the bottom keder rail near the wheel from my recent axle problem. If its not a pretty good caulk, I don't want to use it.

Thanks for any comments.

Replies:

Posted By: furpod
Date Posted: 15 Jun 2019 at 2:06pm

I have not used that.. but Dicor is just for the roof flat areas, everything else should be a good silicone caulk that you like... I have used just the "100% pure clear 25 year"stuff from Lowes around openings on the sides of several campers, never an issue.

Remember, it's all about surface prep.. the one thing silicone won't stick to is itself, so clean off any old, before applying the new.

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Posted By: podwerkz
Date Posted: 15 Jun 2019 at 2:27pm

Just FYI, Dicor makes self-leveling sealant for horizontal surfaces as well as 'non-sag' sealants for vertical surfaces.

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r･pod 171 gone but not forgotten!

Posted By: NewBees
Date Posted: 19 Jun 2019 at 8:40pm

We are looking for this self-leveling sealant...what stores sell it?

Thanks!

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2013 RP-177
2003 Jeep Grand Cherokee V8
Adventure Awaits!

Posted By: JR
Date Posted: 19 Jun 2019 at 8:43pm

Amazon has it

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Jay

179/2019

Posted By: StephenH
Date Posted: 19 Jun 2019 at 10:09pm

And Camping World and probably any RV dealer that has a store for parts would carry it.

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StephenH
Happy is the man that findeth wisdom,...

http://www.rpod-owners.com/forum_posts.asp?TID=7712 - ouR escaPOD mods
Former RPod 179
Current Cherokee Grey Wolf 24 JS

Posted By: 1nana2many
Date Posted: 20 Jun 2019 at 10:37pm

As far as rubber type RV roofs go, I do really believe that the Dicor is essential...however, my husband and I rebuilt our 2008 Coachman Captiva a couple years ago, taking it down in the front to the studs. I did considerable research on the caulking of RVs at the time and learned that urethane and tripolymer caulks can be used to reseal them. We used Sikaflex urethane caulking on all the seams and it is still looking great. We just cleaned the camper for this summer and I inspected the caulking and it is still looking great after two full years. We purchased the sikaflex urethane caulk at Home Depot. I did learn that you should NOT use silicone caulk on outdoor applications at that time because they don’t hold up as well to sun. They are good for inside application near kitchen and bath, though. There’s a couple other brands that were recommended by RV repairmen: Geocel Tripolymer, Flexable Seal Tripolymer, and Vulkem Urethane. I only have experience with the Sikaflex Urethane, but feel it is really standing up to the elements well. We found the Sikaflex near the cement department of the store, not in the paint department where silicone caulks are at. For what it’s worth. Cost was under $8.00 per tube. Worth every penny. Came in white or beige.

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The mountains are calling and we must go...O.D., Keith & Jody
2016 RP179= O.D. (Olive Drab)
2008 Coachman Captiva
1993 Jayco 1206 popup
2016 F150 Supercrew

Posted By: mcarter
Date Posted: 21 Jun 2019 at 3:44pm

I am also a Lexel fan for certain apps. It is an adhesive caulk, can be used on wet apps, internal or external. Paintable and available in white or clear. Little expensive but it was a lot of contractors use.

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Mike Carter
2015 178
" I had the right to remain silent, I just didn't have the ability."