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Old 10-07-2015, 03:26 PM   #1
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What do you use to keep out moisture?

I am storing my 36' class A motorhome under a fabric cover and would like some suggestions for keeping the interior dry. What do you use? Thanks in advance.

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Old 10-07-2015, 04:12 PM   #2
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Ive used this for the last two years when we store our RV and have had no mold or condensation inside the rv. We use two. You can get them at walmart.
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Old 10-07-2015, 04:59 PM   #3
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x2 on Damp Rid. We use 3 or 4 of the large 4lbs tubs. It's pretty humid here in Missouri, so we make sure the windows and roof vents are all closed.
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Old 10-07-2015, 05:12 PM   #4
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Also use the Damp Rid, normally the small bucket (10 oz?) or the hanging bags, usually last a month or two but I had one of the bags that picked up a lot of water in just a week or so, found a fitting dripping under the vanity.

The bags warn not to use in a vehicle in motion. I had one leak in the house, not an easy clean-up. BTW My fault I nicked the bag opening the pkg.
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Old 10-08-2015, 01:11 PM   #5
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You can't really keep it dry if the region is humid - you would be trying to dehumidify the entire state! The products shown above do work, but they will quickly reach their limit while Mother Nature still puts tons of moisture in the air every day. Your best bet is to arrange plenty of ventilation, to avoid the effects of high humidity. Not sure how you do that with a cover on, though I think some of them have openings for window or roof vents.
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Old 10-08-2015, 10:49 PM   #6
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i use computer fans the are very good at moving the air we also put them in our 38ft boat when we put it up for winter in michigan never had any mold problem the trick is to keep the air moving around
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Old 10-08-2015, 10:54 PM   #7
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Here in WA I just keep heat in the rig all winter but the MH is stored right beside the house too. Been doing that for over 30 years with no problems.
Those that have to store the rigs without power do have a much more severe problem!
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Old 10-08-2015, 11:25 PM   #8
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A dehumidifier will remove the many gallons of water that is required to lower the humidity as needed. Damp-Rid will remove a tiny fraction of that amount, and then only when you replace it.
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Old 10-09-2015, 08:31 AM   #9
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If you have your rig plugged into electric, than a small dehumidifier is the way to go. Have ours in shower with drain hose into the shower drain.
Once left it on counter next to kitchen sink with drain hose into sink with sink drain plugged. Warmish humid day...wanted to see how much moisture was taken out. Had it set to 50% humidity. At end of 24 hours sink was almost filled up.
Unbelieveable how much moisture is trapped in a rig.
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Old 10-09-2015, 10:09 PM   #10
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Safe Heat Source?

Originally Posted by Mr_D View Post
Here in WA I just keep heat in the rig all winter but the MH is stored right beside the house too. Been doing that for over 30 years with no problems.
Those that have to store the rigs without power do have a much more severe problem!
What do you use for a safe heater?

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