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Old 10-27-2015, 08:56 PM   #1
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Eternabond on a fiberglass roof

What should I use to prep the roof? Acetone?
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Old 10-27-2015, 09:38 PM   #2
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Acetone will "re-wet" the resin or gelcoat and make it very receptive to a top coat or something else. In my opinion (im in the collision industry, and also specialize in composite and gelcoat repair) a quick wipe with rubbing alcohol will be sufficient for what you are doing after cleaning the surface are with soap and water or a non-amonia glass cleaner. You could use acetone, BUT i would quickly wax the area around the eternabond to help re-seal the gelcoat/resin.
Good luck!!
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Old 10-28-2015, 07:30 AM   #3
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Quote:
Originally Posted by MillerTime View Post
Acetone will "re-wet" the resin or gelcoat and make it very receptive to a top coat or something else. In my opinion (im in the collision industry, and also specialize in composite and gelcoat repair) a quick wipe with rubbing alcohol will be sufficient for what you are doing after cleaning the surface are with soap and water or a non-amonia glass cleaner. You could use acetone, BUT i would quickly wax the area around the eternabond to help re-seal the gelcoat/resin.
Good luck!!
X2 on the isopropyl alcohol. Working in the engineering field, IMHO acetone is some hot stuff to be working with on anything except glass and metal. All you want to do is clean the grease, wax and dirt off to get a good bond. Eternabond seems like it sticks to anything and I would use some of that self leveling RV sealant around the edges of your repair to finish the job
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