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Old 04-07-2020, 04:42 PM   #1
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Underbelly expanding foam

Does anyone know the exact brand name of expanding foam used to seal around the pipes and wiring in the underbelly of the Micro Minnie trailers? I have a new 2306BHS and found some missing gaps that the factory missed. I do not want to travel to the dealer at the present time.
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Old 04-07-2020, 04:50 PM   #2
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Those gaps are probably there to allow technicians to repair/replace pipes and wiring more easily.
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Old 04-07-2020, 05:25 PM   #3
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Great Stuff - they make about 10 different varieties. For an RV I'd consider their GreatStuff PestBlock Insulating Foam Sealant. Can fill up to an 1" gap.
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Old 04-07-2020, 06:03 PM   #4
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Quote:
Originally Posted by Winterbagoal View Post
Those gaps are probably there to allow technicians to repair/replace pipes and wiring more easily.
These are gaps in the foam insulation where it did not quite fill in when expanding. I want some foam like the factory uses.
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Old 04-15-2020, 06:55 PM   #5
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A call to Winnebago Tech Support will get you that information. You would want a UV resistant closed cell foam that will not absorb liquids.
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Old 04-16-2020, 08:08 AM   #6
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thanks Randy, I've wondered that myself! I recently tried an alternative DAP brand for some repairs around the house - it was WAY too soft, even after cured. will go back to Great Stuff, and the particular product you recommend for my Micro Minnie underbelly foam repairs!
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Old 04-16-2020, 08:43 PM   #7
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I ended up using the Black RV Great Stuff. I though that I would need just a little, but once I was under the trailer I found lots of gaps and entry points for insects, mice & rodents that were missed by the factory on this new trailer. I used nearly the entire can.
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