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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > 2018 flagstaff superlite has condensation on walls

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Rodney j callahan

Louisiana

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Posted: 12/20/18 05:38pm Link  |  Quote  |  Print  |  Notify Moderator

I have a problem with condensation forming on walls where the frame work is,all corners.we live in this thing for weeks at a time during winter and when we heat it up here come the condensation, has anyone found a fix for this thanks,also i dont have access to electricity 24/7 so a dehumitifer is not an option,lookin for other options thanks

pianotuna

Regina, SK, Canada

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Posted: 12/20/18 05:42pm Link  |  Quote  |  Print  |  Notify Moderator

Hi,

Welcome to the forums!

What to do about condensation?

The cause of the condensation is the walls are below the dew point temperature. If the walls can be made warm enough the problem disappears. Running a fan to circulate air may help to raise the temperature on the surface of the wall.

One other solution is to reduce the relative humidity inside the RV.

The easiest way to do that is to open a roof vent a bit, find the furthest window from the vent and open that a bit. An electric heater near the window will improve that and keep you warmer. I'd suggest a low wattage radiant type, or a small oil filled (if the oil filled can be on a shelf so the air from the window passes over the fins.)

I know opening a vent and window when it is cold seems counter intuitive, but it does work.

Another possible solution is an electric dehumidifier--but the cooler it is the poorer they work. They are generally energy hogs, some what bulky and definitely noisy.

The above is from this series of posts under full time RV'ing:

https://forums.goodsamclub.com/index.cfm/fuseaction/thread/tid/24160748.cfm

I suggest reading it soon!


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

downtheroad

Pacific Northwest

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Posted: 12/20/18 05:44pm Link  |  Quote  |  Print  |  Notify Moderator

Very common and normal when living in a box that has 2" think wall....in the winter.

pianotuna above has some good solutions.


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donn0128

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Posted: 12/20/18 06:18pm Link  |  Quote  |  Print  |  Notify Moderator

Get and use a BIG dehudifier


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SoundGuy

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Posted: 12/20/18 06:59pm Link  |  Quote  |  Print  |  Notify Moderator

donn0128 wrote:

Get and use a BIG dehudifier


The OP said - "also i dont have access to electricity 24/7 so a dehumitifer is not an option".

Just people breathing inside a closed up camper will create condensation so ventilation is a must.


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Lwiddis

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Posted: 12/20/18 07:21pm Link  |  Quote  |  Print  |  Notify Moderator

Condensation is your doing, not the RV’s doing. Open a window, buy a dehumidifier regardless of your electricity issue, lower the indoor temperature etc. An RV isn’t a stick and brick.


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mobeewan

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Posted: 12/20/18 09:17pm Link  |  Quote  |  Print  |  Notify Moderator

Things inside a TT that produce water vapor.

Exhaling - the human body expels water vapor while breathing. You can produce a quart or more of water vapor just while you sleep. So figure one person can produce 3 or more quarts per day.

Cooking - moisture boiled off while cooking either in the oven or the burners on top of the stove. Propane combustion also gives off water vapor as a byproduct of combustion. All microwaves are vented at the top rear of the cabinet. Although they are usually mounted over the stove hood in trailers they are never vented by the stove exhaust fan. The microwave exhaust usually winds up coming out of the grill at the front top of the cabinet enclosure the microwave sits in.

Propane heaters - Mr Buddy, Wave 3, etc all will add to the humidity level due to combustion.

Showering - hot water and cool air means more humidity.

I normally kept both roof hatches cracked about an inch. When it was too breezy or cold and I had to close the front hatch I ran a 25 pint per day whirlpool humidifier set at 40 percent humidity. That was suitable for me and one Chihuahua in my 28-1/2 footer.

colliehauler

Mc Pherson KS USA

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Posted: 12/21/18 09:30am Link  |  Quote  |  Print  |  Notify Moderator

You can open the rv vents and windows for ventilation or get electric power and a dehumidifier or move to a drier climate.

* This post was edited 12/21/18 09:37am by colliehauler *

delwhjr

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Posted: 12/21/18 09:51am Link  |  Quote  |  Print  |  Notify Moderator

Check out the Eva-dry renewable dehumidifier. This is a renewable item which will dehumidify and then you can restore it to work again. It does not use electricity to remove but uses a little to renew. There are different sizes for large and small spaces.


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CFerguson

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Posted: 12/21/18 04:48pm Link  |  Quote  |  Print  |  Notify Moderator

delwhjr wrote:

Check out the Eva-dry renewable dehumidifier. This is a renewable item which will dehumidify and then you can restore it to work again. It does not use electricity to remove but uses a little to renew. There are different sizes for large and small spaces.


+1 on this product. Works better than a typical dehumidifier.

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