This is how fast you can develop a roof leak - Dutchmen Owners

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Old 10-11-2017, 05:32 PM   #1
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This is how fast you can develop a roof leak

Did my last inspection and some caulking at the end of August before our last trip.
Pulled it out last night for an upcoming trip and decided to wash the roof and spotted this. So in less than 6 weeks somehow the caulk bubbled and broke loose. I did pull a little away to make sure there was no water underneath. Fortunately there is a layer under neath that, but I was surprised how fast something can go south. Check those roofs!!

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Old 10-11-2017, 05:59 PM   #2
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An excellent RV Public Service Announcement!

Thanks.
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Old 10-12-2017, 01:43 AM   #3
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Thanks for the heads up. However, prep is 90% of any roof repair/maintenance and that caulk under the hole sure looks dirty. I will be coating my roof this winter and will probably spend 2/3 of my effort on prep.
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Old 10-12-2017, 02:36 AM   #4
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Sealant is great but as you said, constant maintenance. July 20th of next year...Eternabond!

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Old 10-12-2017, 02:30 PM   #5
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Quote:
Originally Posted by aguablanco View Post
Thanks for the heads up. However, prep is 90% of any roof repair/maintenance and that caulk under the hole sure looks dirty. I will be coating my roof this winter and will probably spend 2/3 of my effort on prep.
RichH
That was actually a before picture, I did clean it up prior to caulking.
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Old 10-12-2017, 05:21 PM   #6
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Some cleaning solutions leave a residue. Maybe some kind of "paint thinner" ??? or something others here have use. I have not cleaned a roof in years so really do not know on this.
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Old 10-12-2017, 05:33 PM   #7
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I use denatured alcohol.

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Old 10-12-2017, 07:39 PM   #8
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I wouldn't touch that roof with any harsh chemicals. Did a simple green scrub. Any caulk over old caulk gets cleaned with an alcohol wipe, sticks like mad.
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Old 10-13-2017, 01:31 PM   #9
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Don't know what's in it, but I went over the whole roof with Dicor roof cleaner, then Dicor roof treatment after I got home following Hurricane Harvey.



If I had to guess, it was like Dawn soap, then an ArmourAll type product. But I went with the brand name stuff for their reputation.



Happy with the results. Felt like rubber and looked healthy again.
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Old 10-13-2017, 03:07 PM   #10
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If you google "TPO Chemical resistance" or "EPDM Chemical resistance" you can get charts on what's safe and unsafe to use.
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Old 10-14-2017, 12:51 AM   #11
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Here's a good video on how to tell which roof you have:
https://youtu.be/xSyxQc2HTf4


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Old 10-14-2017, 02:10 AM   #12
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Interesting video. I was hoping there was some kind of look\feel difference, but it seems both products must be very similar in that aspect.
I'm not yanking any screws. Too lazy. I'll wait until one of you other 213'ers confirm. Then yaw will tell me, right?
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Old 10-26-2017, 07:50 PM   #13
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roof leak

As had I previously posted on this forum, I used Eternobond tape on all the roof penetrations; I purchased it on the internet. It works!! I applied it to my roof over 2 yrs ago in Florida; it has held up during Hurricane Matthew last year, Hurricane Irma in August 2017 and surrounding tornadoes within 100 feet of my RV. Not to mention the standard tropical downpours and lightning storms in the summer in SE Florida. I'm still dry inside my awesome Kodiak Travel Trailer!!
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Old 10-28-2017, 07:35 PM   #14
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Cleaning the roof

I do not clean the roof unless I will be doing a repair. The RV roofs are designed to caulk off dirt and such. If cleaned to much the warranty will be voided. It is a waste of time to clean the TPO and EPDM roofs.
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Old 10-28-2017, 07:49 PM   #15
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My RV roof doesn't caulk off dirt.

So I occasionally void my warranty.
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Old 10-29-2017, 01:43 AM   #16
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Caulk

Quote:
Originally Posted by snakebitten View Post
My RV roof doesn't caulk off dirt.

So I occasionally void my warranty.
All TPO and EPDM are made to chalk off dirt not ":caulk". But if people want to void the warranty go right ahead and clean that roof. Might as well use a Scotch Brite pad and a wire brush. [moderator edit]
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Old 10-29-2017, 03:15 AM   #17
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I'm a forum junky. I admit.

Motorcycles, BBQing, cooking (recently), and yes, RVing.

This forum I'm particularly fond of. It's definitely unique.
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Old 10-29-2017, 09:13 AM   #18
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Dicor actually recommends cleaning the roof four times per year and treating it:

Dicor Issues Technical Report on Rubber Roofs | RV Business

But it will chalk or "shed" as they call it over the life of the roof.

If you use petroleum distillate products to clean your roof, you will void your warranty.

I plan to care for mine this way as I have for the past four years up until the point I make the jump for the armor type roof system application.
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Old 10-30-2017, 08:52 AM   #19
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Quote:
Originally Posted by masterblaster View Post
As had I previously posted on this forum, I used Eternobond tape on all the roof penetrations; I purchased it on the internet. It works!! I applied it to my roof over 2 yrs ago in Florida; it has held up during Hurricane Matthew last year, Hurricane Irma in August 2017 and surrounding tornadoes within 100 feet of my RV. Not to mention the standard tropical downpours and lightning storms in the summer in SE Florida. I'm still dry inside my awesome Kodiak Travel Trailer!!
Eternabond is probably one of the RVer's best friends!
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Old 10-30-2017, 11:13 AM   #20
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I've never used Eternabond. Just ordered a small roll. I was going to try it on a questionable caulk area Do I need to use their cleaner? Sounds like it helps make a chemical bond when you read the description, or can I use Simple Green and rubbing alcohol? I have the Dicor caulk but wanted to try this out. Better to just re-caulk? Perfect world would a guy be better off Eternabonding all the seams? Just curious. Thanks,
Rusty
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