Forum Discussion

elhajj33's avatar
elhajj33
Explorer
Feb 22, 2017

Condensation in slide corner

I'm basically writing this to confirm I'm not crazy (or at least hopefully so). I've been having condensation in the slide corner- I'm seeing water in the slide corner (mainly in the bed room but also another slide)

I know what you're thinking: there must be leak I don't know about. I thought the same thing soI got up on a ladder, checked the eternabond up there, and saw no damage. I spent a good amount of time with a hose pouring water over the bedroom slide. There was no water intrusion at all.

Oddly, the following night, i found water in the corner again. I thought to myself: there has to be a slow leak. But, when the sun came up the area dried. I thought it was odd; if it was coming from the wall, it wouldn't just dry.

This morning, I woke up and the corner was a little wet. It hasn't rained in days, and the area was totally dry when we went to bed.

Am I crazy here? There's no condensation on the windows, but just in the corners. I can't see how this is a leak, but I would have expected more condensation elsewhere...

Am I missing something here?
Class A
  • Trackrig's avatar
    Trackrig
    Explorer II
    Feb 22, 2017
    I would still be inclined to look for a leak. I would be thinking about the water taking a long time to wick itself over to the corner from someplace.

    In our MH in very wet locations, we've had condensation everywhere, but never in a corner.

    Maybe it is condensation and they didn't install any insulation in the corners?

    Bill
  • elhajj33's avatar
    elhajj33
    Explorer
    Feb 23, 2017
    Thing is why does it only occur at night even when there is no rain.? That's why I keep thinking to exclude a leak...
  • chuckftboy's avatar
    chuckftboy
    Explorer
    Feb 23, 2017
    If the corners cool down at night, moisture will condense there much like your lawn early in the morning. When it cools enough, the corner may be reaching its dew point becoming wet just like your grass even though it hasn't rained during the night.
  • ScottG's avatar
    ScottG
    Nomad
    Feb 23, 2017
    I wonder if there's a slight air leak that lets in the cold air or there's insufficient insulation in that area and your breath is condensating there. Could even be that there's just metal in that corner and it's like a cold bottle of beer on a hot day.
    We always have certain parts of the windows and walls that get damp overnight from this.
  • crasster's avatar
    crasster
    Explorer II
    Feb 23, 2017
    Have you tried a dehumidifier? It just doesn't sound like a leak to me. Also, without a dehumidifier have you tried leaving a vent open?
  • rgatijnet1's avatar
    rgatijnet1
    Explorer III
    Feb 23, 2017
    I had inside condensation on my front cap that would drip around my cabinets and dash. It turned out NOT being a leak from the outside but an area where the fiberglass batt insulation had shifted and left areas with no insulation at all. When we were in areas with a high humidity, like Florida and other coastal areas of the country, the difference in temperature from the outside to the inside would cause enough condensation to accumulate on the inside to look like a leak, dripping water and all.
    I solved the problem by spraying foam insulation on the inside of my front cap.
    I think it is a possibility that you may have areas that lack sufficient insulation and condensation develops on the inside surfaces of your coach.
  • GPWayne's avatar
    GPWayne
    Explorer
    Feb 24, 2017
    Had the same problem with bedroom slide. Used water hose, no leak. Moved MH to covered storage, still had water in the closet(overnight). Used my inspection camera through the light fixture hole and found condensation on the closet roof.
    Got a small dehumidifier at Wally World, problem solved. Have added insulation put still use the dehumidifier. That keeps the MH fresh and not like an owl's nest.
    Moved back outside, still no problem.
  • elhajj33's avatar
    elhajj33
    Explorer
    Feb 28, 2017
    GPWayne wrote:
    Had the same problem with bedroom slide. Used water hose, no leak. Moved MH to covered storage, still had water in the closet(overnight). Used my inspection camera through the light fixture hole and found condensation on the closet roof.
    Got a small dehumidifier at Wally World, problem solved. Have added insulation put still use the dehumidifier. That keeps the MH fresh and not like an owl's nest.
    Moved back outside, still no problem.


    It's been several days with no rain, and air continues to condense in that corner. So it's definitely not a leak. I'll grab a dehumidifier and call it "not an issue" Thanks all!
  • Bruce_Brown's avatar
    Bruce_Brown
    Moderator
    Mar 01, 2017
    You could put a small fan in there to keep the air moving - that should keep any condensation from forming.

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