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Nu2rv · 08-04-2017, 10:50 PM

Hello All
I am trying to determine the type of roof installed in 89? I first thought it was rubber but closer examination it appears to be "plastic" like material? I purchased Eternabond because of the reviews now I'm wondering if it will stick to the roof....

Any suggestions on removing the old caulking?

I have been using a razor knife to shave it down without digging the roof, I have a "stucco" pattern in the roof will mineral sprites cut thru the old caulking? Methyl Hydrate? I can get pics of the roof if needed.

Thanks in advance to all whom reply

ahicks · 08-05-2017, 07:39 AM

If you have a "stucco" pattern, it's most likely filon, often thought of as fiberglass, but generally thinner. Comes in large sheets. Same stuff, or possibly the smooth non textured version, often used for "fiberglass" sides as well.

Patience is the password when dealing with old sealant. There's no universal "easy" way that I know of.

Nu2rv · 08-05-2017, 04:28 PM

thanks Ahicks that makes sense, type of fiberglass. a big 10-4 on the patience when comes to removing the old caulking. Thanks for the feedback

Deano56 · 08-05-2017, 06:33 PM

eternabond sticks to virtually anything, I used it but wished I would have taken the time to remove the old caulk and replace it with new, would look like it was not a patch job

JNSNWT · 08-06-2017, 03:15 PM

Thanks to everyone that replied, they were all good suggestions but I had no joy until I removed the four lag bolts and tilted the unit up so I could see the bottom

And there it was in all it's glory

I guess I think too much like an engineer to guess that the data tag was hidden on the bottom of the unit. I think I'll be proactive and use a permanent marker to write that info on top or you can see it after removing the case cover.