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Old 08-26-2019, 05:18 PM   #1
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Roof caulk

I have a 2016 FR Sierra 377FLIK 5th wheel.
I can't find info from purchase about what type of roof this is .
It looks light beige and thin.
I want to caulk seams at front and back and it looks like original is self-leveling caulk (dicor?).
Anyone knowing there's a better product?
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Old 08-27-2019, 11:48 AM   #2
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The better product is Eternabond tape.

Your roof should be TPO, but you can contact Sierra division to make sure. Also the owners manual is online for that year.

If you don't want to use Eternabond then Dicor self-leveling sealant is the product to use on the horizontal surfaces.
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Old 09-30-2019, 06:27 PM   #3
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I use Dicor tan, matches great, works great.
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Old 09-30-2019, 06:38 PM   #4
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I would want to know for sure what roof membrane you actually have before making a suggestion.

There have been reports of the ALPHA TPO membrane wrinkling when using Dicor products to seal.

You should have received paperwork noting the manufacturer since many of these membrane roofs have multi-year prorated warranties. (often as long as ten years)
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