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Old 09-03-2017, 03:30 PM   #1
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Dicor vs. Flex Seal

Our 5th wheel is stored under cover but still shows aging cracks with the existing Dicor that will have to be resolved before the next trip. Has anyone used Flex Seal on their unit? Iíve read all I can find on the forum and a lot of people say donít do it. What I didnít see is someone who tried it and it didnít work and/or it wasnít compatible with the roofing material. I donít think it can take the place of the eternabond tape and Decor in some instances but it sure seems like it would work around most places, maybe better than Dicor. Iíd almost be willing to try a test patch about the size of my thumb on the rubber roof to see if there is a compatibility issue which should be easily fixed with the eternabond.
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Old 09-03-2017, 03:52 PM   #2
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Check and see if flex-Seal contains petroleum products. This would be a red flag for use on a rubber roofing system. In an emergency to stop a roof leak I would use it, and replace ASAP.

I have family and friends that have used Flex-Seal for projects around the house with good results. This is one TV product that appears to be living up to it's selling points. Some day they will have enough Beer's and cut the row boat in two.
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Old 09-03-2017, 03:55 PM   #3
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Tried it once on some side seams. It was next to impossible to work with. Threw the tube in the garbage and went back to Dicor. And yes, I was using the right product.
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Old 09-03-2017, 03:57 PM   #4
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I have tried flex seal on a few things it's a short term fix at best
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Old 09-04-2017, 12:11 PM   #5
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I put Flex Seal on the bottom edges of my slideout floors, where the plastic trim deteriorated. Based on the advertising, I'm hoping it will seal the raw edges of the plywood slideout floor.
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Old 09-04-2017, 12:43 PM   #6
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Quote:
Originally Posted by donniedu View Post
Tried it once on some side seams. It was next to impossible to work with. Threw the tube in the garbage and went back to Dicor. And yes, I was using the right product.
Same here. I tried using it and it was like using a thick super glue or something. Well except i used the loctite 2 in one sealant instead. The dicor doesnt come in clear.
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Old 09-04-2017, 12:58 PM   #7
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Quote:
Originally Posted by FrankG View Post
Check and see if flex-Seal contains petroleum products. This would be a red flag for use on a rubber roofing system. In an emergency to stop a roof leak I would use it, and replace ASAP.

I have family and friends that have used Flex-Seal for projects around the house with good results. This is one TV product that appears to be living up to it's selling points. Some day they will have enough Beer's and cut the row boat in two.
They have cut a boat in half up the middle!
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Old 09-04-2017, 01:21 PM   #8
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Someone bought a used TT that was repaired with Flex-Seal and it looked horrible and didn't seal the leaks. They had posted pictures on these forums.
Guess what this is??
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Old 09-04-2017, 01:32 PM   #9
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Look at the Flex Seal MSDS sheet for the product you are using (Black, White, Clear). It will tell you if you want to use it on any RV roof or seal areas.
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Old 09-04-2017, 03:26 PM   #10
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Had to repair a 4 1/2 foot tear to side of roof in Alaska this past summer and used Flex Seal Tape and Spray. Worked like a charm! When through several hard rainy spells with no leak. After return to Little Rock had a new roof put on.
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Old 09-16-2017, 10:14 PM   #11
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Flex seal works

Me and my wife have been living in a bumper pull for over 2 years now. We bought it from a friend and remodeled it from one end to another. In the beginning i knew nothing about RV's now i feel like a pro. We just last week used Flex Seal (white) to coat the whole roof and pop-out. I also work for a car lot where in the last year have coated 2 bumper pulls and a $40,000 5th wheel. And the flex seal is amazing. And im sure will last for many years to come maintenance free. I swear by the stuff. Honestly i recommend it to anyone. I live between mobile and pensacola florida and have met 2 other people that have used it to seal up the roof. Well good luck and happy trails.
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Old 09-16-2017, 11:06 PM   #12
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I've only used the black spray to seal 4 x 4 posts on a house roof (deck built on a 1/12 pitch roof, not my idea) and it looked okay when I sprayed it on, but after the solvent dried out of it, it was too thin. I tried several coats but ended up using "Black Jack" in caulking tubes. Wrong color for an RV.
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Old 09-17-2017, 07:41 AM   #13
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I used some roof coating from Menards that was especially for EPDM rubber roof. Looked good a year later when I sold it.
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