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Old 09-18-2010, 04:09 PM   #1
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Anyone noticed condensation from the roof vents?

Yesterday I noticed the bar stool had some water on the top of it. looked like drops. thought nothing of it. This morning it got to -5C out the night before and the roof vents were dripping water all over the trailer! (have 5 in mine).


Now has anyone ever seen that before? how would i go about preventing this?
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Old 09-20-2010, 08:07 AM   #2
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oh yes. i've had the drops in my bathroom. the humidity inside the trailer condenses on the inside of the cold covers and rains.

all i do is grin (grimace) and bear it. it is somewhat inconvinent when ur on the throan and water drips on u.

outside of stuffing one of those pillows up there, i don't know how u would stop it.

i'm assuming ur talking abt the water dripping from those jack up covers and not from around the seal its self.
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Old 09-20-2010, 12:31 PM   #3
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yuppers. forgot to mention that. thinking im gonna fill it with fabric and tape it up there for the winter lol
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Old 09-20-2010, 12:46 PM   #4
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oh yes. i've had the drops in my bathroom but atleast is is over the sink so not to bad. Hot outside and cool inside makes for drips.
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Old 09-20-2010, 01:18 PM   #5
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we have three eva dry small dehumidifiers for the winter time.
they use very little power, less than an amp but will flat pull the water from your air.
we have two small ones (pint) and one large (qt)
i installed the big max air covers over all of our vents. this really helps with the temp differences and in turn will reduce the condensation on the vents.

make sure you have good airflow around the rig to keep the condensation down on the windows and metal surfaces.

http://msm370.corecommerce.com/cart....uct_detail&p=7
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Old 09-21-2010, 11:25 AM   #6
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hmmm sounds like i will have to get some of those maxxair covers and a dehumidifier for the winter...
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Old 09-21-2010, 02:00 PM   #7
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We have seen this and i was looking into getting foam plugs for the vents.
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Old 09-21-2010, 03:01 PM   #8
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Quote:
Originally Posted by Danielflading View Post
We have seen this and i was looking into getting foam plugs for the vents.

Would not the foam just get full of water and make a bigger mess? Mine only does this dripping thing in the summer as that is when we use the AC. i DON'T THINK A dehumidifier would do any good.
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Old 09-21-2010, 11:08 PM   #9
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Originally Posted by jaxfl View Post
Would not the foam just get full of water and make a bigger mess? Mine only does this dripping thing in the summer as that is when we use the AC. i DON'T THINK A dehumidifier would do any good.
you would need to use CLOSED cell foam, not the seat cushion stuff or you will have a huge messy soggy event.

we only use the dehumidifiers in winter, rest of the time the ac pretty much takes care of the internal moisture
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Old 09-22-2010, 08:59 AM   #10
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I believe they make a specific product for this and it is a foam vent cover.
may not help alot with condensation but it will certainly keep out the heat.
I have alseo see them in a thicker style I think 6" foam adn they slip up into the vent opening.

REFLECTIVE VENT THERMAL INSULATOR - 3IN FOAM INSULATION...Regularly $15.29 On Sale for Only $12.77

RV Roof Vent Insulator/Covers on Sale
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