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Old 09-29-2022, 01:53 PM   #21
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Join Date: Oct 2021
Location: Atascdero
Posts: 27
I am going through the same thing on my 2017 Jayco Northpoint. I can't find the Geocel 2300 MHRV on Amazon and they have this Dicor 501LSW-1 Self-Leveling Lap Sealant which they say is their best seller. I just want something that will be compatible with what is on there as I don't have time to remove all the old before the rain comes
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Old 05-02-2023, 06:36 AM   #22
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Join Date: Jun 2017
Location: Pittsburgh
Posts: 26
So bumping this old thread here with an update. The non sag Alpha sealant has not really held up that well along the top of the rail.

We are getting ready to head out soon for another month long trip and I see there are some cracks showing in it. I assume that the combination of it being applied so thin and the roof expanding/contracting is not a good formula.

Luckily I only applied about 5 or 10 feet of it, instead of the entire 60 plus length of both sides. I guess that leaves me with either trying to put it on thicker or using something different.

I reached out to Geocel and they say the 2300 MHRV shouldnt harm the roof, but it wont stick to EDPM. They were unable to provide any information about it sticking to TPO though.

This seems like a common area that would need touched up every so often. I am a little surprised that nobody claims they have a great product for it?
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Old 09-15-2023, 02:07 AM   #23
Join Date: Aug 2021
Location: Renton
Posts: 68
I just sealed the seam between my gutter and roof with Dicor 351Csw-1 White Cap Sealant thinking i was using lap sealant. Do you think I will have a problem since it's not as flexible?
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