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Old 09-25-2018, 01:50 PM   #11
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I have utilized the Externabond tape and have used the Cofair tape as well both of them work extremely well in my opinion. I actually prefer the Cofair tape over the Externabond. I have used the Externabond cleaner and just 91% rubbing alcohol as well with great results from both.
With the Externabond cleaner be careful as it will take any paint or coloring off as well, the alcohol will not, plus the alcohol is safer to use.
I prefer the Dicor self leveling sealant on a flat surface or the non sagging on vertical or curved surfaces.
I have also found that a good heavy roller is needed when using the Externabond tape to make sure it is well adhered to the surface.
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Old 09-25-2018, 02:21 PM   #12
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I have utilized the Externabond tape and have used the Cofair tape as well both of them work extremely well in my opinion. I actually prefer the Cofair tape over the Externabond. I have used the Externabond cleaner and just 91% rubbing alcohol as well with great results from both.
With the Externabond cleaner be careful as it will take any paint or coloring off as well, the alcohol will not, plus the alcohol is safer to use.
I prefer the Dicor self leveling sealant on a flat surface or the non sagging on vertical or curved surfaces.
I have also found that a good heavy roller is needed when using the Externabond tape to make sure it is well adhered to the surface.
IPA rubbing alcohol is available in many different concentrations (percentage) of alcohol... get the 90% or higher stuff as it evaporates faster... get it at any Walmart or dollar store

[QUOTE=rsdata] Eternabond tape adheres to every square inch of self-leveling caulk IF before you apply it, clean with mineral spiirits, then rubbing alcohol, then take a single edge razor blade and shave off really high spots of the caulk... this is actually fairly easy to do... then apply the Eternabond with your fingers first, pushing down on the surface, then rolling it with a roller... work with short pieces of the Eternabond maybe 2 or 3 feet and only peel back the backing 6 inches or so at a time... apply then peel off more backing

Thank you ALL for some great suggestions and ideas on alternatives to Eternabond vs Cofair and cleaners for preparations. I think shaving the lumpy sealant first to create a smooth surface is a great idea.
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Old 09-25-2018, 06:15 PM   #13
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Eternabond

After applying the eternabond tape to several of my trailers it finally occurred to me to use a piece of duct tape at the end of the eternabond roll on the liner side folded to make a pull tab and it greatly eases my ability to separate the liner from the actual tape as I am applying it. Hope it may help others
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Old 09-25-2018, 06:31 PM   #14
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Originally Posted by tonyb1725 View Post
After applying the eternabond tape to several of my trailers it finally occurred to me to use a piece of duct tape at the end of the eternabond roll on the liner side folded to make a pull tab and it greatly eases my ability to separate the liner from the actual tape as I am applying it. Hope it may help others
This is a great tip - I'll do this next time I need to put down some tape.

Re what sealant I used with the Eternabond? I used Dicor self levelling.
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Old 09-25-2018, 07:27 PM   #15
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I removed all of the existing caulk before applying Eternabond. Use a hair dryer or heat gun to soften the caulk. It will come off easier. I used a putty knife with dull edges to help peel the caulk off. Acetone, used sparingly, seemed to work pretty good to clean the roof.
Keep in mind that the Eternabond adhesive is pressure activated. The better job ,you do pressing / rolling it into place the better it will stick.
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Old 09-25-2018, 07:43 PM   #16
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I just replaced the sealant on the transparent cap over the shower with Eternabond tape and it worked really well. I was able to just peel off the old putty by hand, just rolling it with my fingers. Surprised how easily it came off. Another thing you can use to clean is rubber cement thinner. It is basically naphtha which is White Gas with a few additives. I used mainly Dawn soap and water and a little of the thinner for the final cleaning before the tape. So far, everything is sticking well. I did tighten the cap's screws down while I had the putty off (most had loosened). Also in my tape kit was an Eternabond sealer in a tube. Just used that around the edges of the tape.
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Old 10-04-2018, 11:24 PM   #17
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Etherbond

Use the Etherbond spray cleaner, leaves no film and preps area. No acetone, melts TPO roof material and drys it out!
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Old 10-05-2018, 12:42 AM   #18
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Use the Etherbond spray cleaner, leaves no film and preps area. No acetone, melts TPO roof material and drys it out!
The MSDS for Eternabond cleaning spray says it is almost entirely acetone.
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Old 10-05-2018, 11:45 PM   #19
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Just another opinion: The friend of mine who has an RV repair business taught me that before repairing any roof area wash with water and Dawn, allow to dry thoroughly then use "Denatured Alcohol" to clean roof material and Dicor sealant before using Eternabond tape. Denatured Alcohol is readily available at Lowe's, Home Depot, and ACE Hardware in my area.
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Old 10-10-2018, 01:43 PM   #20
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Doing my first Eternabond job now on my 17 Salem. Just scrubbed the roof last weekend and noticed some spots I don't like where the rear cap meets the roof. I've already done other self leveling repair on the front cap and had to install screws where the factory missed and also didn't get sunk into structure so they were backing out and poking holes through. How in the heck they inspected and prepared this for new delivery to me and missed this is beyond me.

Anyway, I've got the Eternabond cleaner and primer on the way and I bought 4" white tape.

Right now I don't believe I have any leaks, but if I don't do something soon it will. I just hate the way the self leveling stuff lumps up over time so I hope this tape is the ticket.
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