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Old 08-13-2022, 05:51 PM   #5
Joelthewelder
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Join Date: Jul 2022
Location: Wa
Posts: 35
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Quote:
Originally Posted by Wavery View Post
What are you sealing?

I have always preferred Dicor products for RVs. Self leveling on horizontal surfaces and Non-leveling on vertical.

3M 5200 is designed for marine use. It takes about 60-90 days to fully cure. Once cured, it is pretty much permanent. I used that to bed the stanchions, windows, chain-plates and railings on my yacht. When I was at sea one time (off the coast of South Africa), a motor mount broke on my 100HP ford-Lehman diesel. I could not find one anywhere in the world so I made a casting from the old one and poured 3M 5200 into the casting. I let it set for 90-days then installed it. That mount was still on there, 10-years and about 50K miles later (when I sold the boat). I love the stuff but it's a bit much for RV use (IMO).
I used it on the outside seams after cleaning all the silicone off. I just laid an 1/8" bead on the joints. It layed down nice in this heat.
I wont ever have to worry about it failing like silicon. Overkill? Yes.. Lol.
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