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Old 09-28-2016, 07:12 AM   #1
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Winterizing...roof vents open?

Just a quick question. I'm going to be covering my trailer this winter. I have roof vent covers on my 3 vents. Do you guys just leave the vent covers open or so you close them? If I close them I'll put some damp rid inside the trailer. Just curious. Don't want to have that musty mildew smell in my trailer in the spring. PS I live in Ohio so it gets a bit cold. Thanks a lot!
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Old 09-28-2016, 07:42 AM   #2
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I do not cover trailer, I have Max Air II covers on all 3 vents and leave them open all winter to prevent internal condensation, no issues in 5 years......even with snow on the roof.
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Old 09-28-2016, 07:54 AM   #3
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Quote:
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I do not cover trailer, I have Max Air II covers on all 3 vents and leave them open all winter to prevent internal condensation, no issues in 5 years......even with snow on the roof.
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Old 09-28-2016, 08:07 AM   #4
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I also live in OH, I've always kept mine closed, and I've never had an issue with condensation. There's more of a chance of snow blowing in and doing damage than what little if any condensation, if any, you will get.
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Old 09-28-2016, 08:17 AM   #5
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Quote:
Originally Posted by fonzie View Post
I do not cover trailer, I have Max Air II covers on all 3 vents and leave them open all winter to prevent internal condensation, no issues in 5 years......even with snow on the roof.

X 3

Dealer recommended not to cover, said flopping covers in the winter winds would chafe finish on TT hardsides and corner moldings. Plus anything that sticks out needs to be padded, like gutter "downspouts". Might get a cover for the AC, though.
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Old 09-28-2016, 08:22 AM   #6
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I have always closed my vents for winter storage. Without a vent cover you should not even consider leaving them open. In your case with vent covers you may be ok to leave them open. But as others have said you could still get snow or driven rain thru the vent and that would be bad. Water inside the RV during storage can cause any number of problems. Also some RV are 4 season type units and already have vents much like your home so no need to leave a vent cover open during storage.
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Old 09-28-2016, 08:40 AM   #7
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Quote:
Originally Posted by fonzie View Post
I do not cover trailer, I have Max Air II covers on all 3 vents and leave them open all winter to prevent internal condensation, no issues in 5 years......even with snow on the roof.
X2.

Fonzie and I live in Canada which means lots of snow and blowing winds in the winter. I've never had snow nor rain come in the TT via the roof vents that are all covered. I think you're more likely to get condensation if you don't have air moving inside. We all know these RVs are not air tight so moist air will make its way inside. Having the vents open helps to keep the air circulating.

I cover the air conditioner and I use a single bucket of Dry Rid inside.
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Old 09-28-2016, 08:54 AM   #8
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I leave ours open about 1/2 inch to allow for a little air circulation.
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Old 09-28-2016, 09:26 AM   #9
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Open slightly. No cover. Damprid bags front and back. No issues.
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Old 10-02-2016, 03:19 PM   #10
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Our vents NEVER close. Ever.
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