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Old 02-02-2020, 11:05 AM   #1
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Join Date: Jan 2018
Location: Western PA
Posts: 96
Which Sealant for Fan Replacement

I am replacing a roof vent with a MaxxAir Deluxe Fan on my Minnie Winnie 31G.
I know Winnebago uses silicone based sealants, NuFlex 311, at the factory. My question is should I stay with silicone or try and clean all the silicone off of the fiberglass roof and switch to Dicor? I think Winnebago uses straight silicone under the fan base then Nuflex 311 on top. If I switch to Dicor I would use Butyl tape under the base and Dicor on top.
2019 Winnebago Minnie Winnie 31G
2018 Jeep Wrangler JK
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Old 02-02-2020, 11:28 AM   #2
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Join Date: Feb 2017
Location: Pinellas Park, FL
Posts: 647
Why not bypass the Dicor and go Eternabond? Straight edged pieces seem to be what it’s made for. I am contemplating going onto the roof and replace all the Dicor (on the straight edged pieces) with the tape. I’ve used it to seal up a couple holes left by a satellite dish removal and after about 15K miles (and 2 years) it looks almost like the day I put it down.
Thom Boles
2010 Winnebago Vista 32K with a 2013 Mini Cooper S Roadster toad.
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ace, fan, replace, replacement, seal

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