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Old 06-16-2019, 06:26 PM   #1
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Sagging plastic. Is this normal?

Hello, I just brought home a 2020 Grey Wolf 23DBH. I was underneath messing with some Jack blocking and noticed that the plastic underneath that must be covering the plumbing sags in a few spots around the edges. Its not loose, more like the spray in insulation is pushing it down.

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Old 06-16-2019, 06:55 PM   #2
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Not a big deal. Happens sometimes when Coroplast warms up. I would just shoot a little foam in the spaces. If you decide to do this, plan you work as spray foam cans are one use only no matter how hard you try to clean.
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Old 06-16-2019, 07:00 PM   #3
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Quote:
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Not a big deal. Happens sometimes when Coroplast warms up. I would just shoot a little foam in the spaces. If you decide to do this, plan you work as spray foam cans are one use only no matter how hard you try to clean.
Thanks for the advice. Its mostly foamed in, there was only a finger sized gap. Is it protected under there if I drove it in the rain? If it will just drain and dry no biggie, but if it's a big sponge...
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Old 06-16-2019, 07:04 PM   #4
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I would be more concerned about rodents. You will never get a perfectly waterproof undercarriage.
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Old 06-16-2019, 07:09 PM   #5
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Good call, I wasn't even thinking about critters. Will any spray foam work or is there a preferred type. Definitely a one shot thing, my wife wasn't happy when I dripped some in a tub, had to sand it out.
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Old 06-16-2019, 07:52 PM   #6
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I would use minimal expanding if it was me.
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Old 06-16-2019, 08:04 PM   #7
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X2 on minimal expanding exterior.
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Old 06-17-2019, 01:09 PM   #8
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Would silicon work as well, assuming the gap isn't to i
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Old 08-22-2019, 05:42 PM   #9
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It's not so much about the driving rain, as it is about mice getting into your trailer from that access hole. Patch it up as soon as you can.
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Old 09-01-2019, 09:01 PM   #10
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I place dabs of Vicks vaporub around my TT. The oder keeps away rodents and other critters like stray cats. Part of my winterizing is to place Irish Spring soap shavings in plastic dishes inside the TT. I discovered this when mice got into all our desks except mine, because I had Halls cough drops in my drawer.
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