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Open Roads Forum  >  Truck Campers

 > Another condensation ?

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JRJR

Where there's fish

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Posted: 12/15/17 09:35pm Link  |  Quote  |  Print  |  Notify Moderator

We have a 2016 Northern Lite camper and have been cold weather camping a few times in the past month. The problem is that a lot of condensation is forming at the head of the mattress on the nose wall. Anyone else experience this? I was thinking about putting a strip of the pink foam insulation between the wall and the head of the mattress. What's your opinion.
Thanks
John

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Posted: 12/15/17 10:07pm Link  |  Quote  |  Print  |  Notify Moderator

Pull it away from the wall a bit and open the windows. These things have to breath.

Condensation is constant. Got to give it somewhere to go...outside.


'07 F550 with Link Ultraride air under an '11 AF 1150. It's either a fishing boat, snowmobiles or dual sports; something is always being towed.

Switching over to a 2016 F550 with new Ultraride air...just need to get the flatbed built.


SideHillSoup

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Posted: 12/15/17 10:19pm Link  |  Quote  |  Print  |  Notify Moderator

We have a 2018, NL 8-11 and we haven’t had the issue that you are talking about. However, I don’t know if you have the “ breathing material” that came in our 2018 model.
We did the tour of Northern Lite in Kelowna and they showed us ( wasn’t pointed out when be ordered our rig at the dealer) that they have this breathing material that my grandson calls “ichiban soup “ etween the mattress and the floor of the “ bunk area” .
We haven’t had an issue yet, however we haven’t camped in the cold yet either. If this material isn’t under your mattress, send NL a note and ask about it. I’m pretty sure it is new to there rigs as they “ insured” that they showed it to us and explained what it was for .
Soup.


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Kayteg1

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Posted: 12/15/17 10:57pm Link  |  Quote  |  Print  |  Notify Moderator

I made similar topic last spring as we full-timed in our camper in the wettest California winter in history.
I recall some members bought special material at marine places, but my solution was cutting piece of 3" drain pipe and drill a lot of holes in it.
Actually I used 2 and put them under mattress at window side. That helped a lot, but still had occasionally put electric heater under lifted mattress.





scout4trout

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Posted: 12/15/17 11:15pm Link  |  Quote  |  Print  |  Notify Moderator

We haven't had the condensation at the head of the bed, but we have had a small wet spot on the carpeted ceiling just above the sink/stove area when we were using the furnace and cooking a lot. When I contacted Keith at Northern Lite, he advised that we must use the stove fan and open something because we can get condensation which is what he believes it was. I'm just hoping that it was really just condensation and not a leak. We're keeping an eye on the area to see what happens over the course of the winter since it's stored outside. We have the Sportsman with the sliding windows so it's easy to crack a window for some ventilation.


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Z-Peller

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Posted: 12/16/17 12:49am Link  |  Quote  |  Print  |  Notify Moderator

You have got to keep that overhead vent over the bunk cracked an inch or so, no matter how cold it is outside. I have had Bigfoot campers since 2002 and never a problem with condensation as long as overhead vents are cracked a bit. Have maxair covers on all vents. Over bunk vent stays open 24/7....Galley one gets opened first thing whenever stove gets turned on no matter the weather. I think your idea of insulating the front wall a bit more could not hurt either. A lot of moisture comes out of you breathing overnight right against that cooler wall. Probably some Reflectix would be good, and tape it in place so no air gets behind it.


Bill..
2017 Bigfoot 10.4 camper...2016 GMC 3500 4x4 Xcab Duramax Dually...

SideHillSoup

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Posted: 12/16/17 02:23am Link  |  Quote  |  Print  |  Notify Moderator

Z-Peller wrote:

You have got to keep that overhead vent over the bunk cracked an inch or so, no matter how cold it is outside. I have had Bigfoot campers since 2002 and never a problem with condensation as long as overhead vents are cracked a bit. Have maxair covers on all vents. Over bunk vent stays open 24/7....Galley one gets opened first thing whenever stove gets turned on no matter the weather. I think your idea of insulating the front wall a bit more could not hurt either. A lot of moisture comes out of you breathing overnight right against that cooler wall. Probably some Reflectix would be good, and tape it in place so no air gets behind it.


DITTO:
I should have said that in my first post.....
We also have MaxAir vent covers on the two vents down the middle of 5he roof ( we didn’t order our rig with a AC unit) on the rig. MaxAir vents don’t fit over the escape hatch above the bed or over the vent in the bathroom. We leave the vent where the AC should be open a crack 24/7 including over the winter while the rig is put to sleep in the back yard.
Doesn’t matter what time of unit you have, all that moisture that weather, humans and propane fueled devices make need someplace to get outside.
Soup.

SidecarFlip

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Posted: 12/16/17 08:58am Link  |  Quote  |  Print  |  Notify Moderator

Let it sweat, then you can repair the rot later on. Makes for a good summmertime project... instead of camping...


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Photomike

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Posted: 12/16/17 09:20am Link  |  Quote  |  Print  |  Notify Moderator

There are a couple issues that are leading to this:

- First that is where you are breathing and the moisture in the air is VERY high around there

- Second at the head of the bed there is very little if any air movement

Add those two things to the fact that the walls are cool or cold and you get the wet walls.

Adding insulation will help but it is a fix that will only mask the bigger issue. As others have said leave a vent open or a window will help but again the big issue is the lack of air movement and the constant pocket of humid air, this is more of a problem in TCers as the space is so tight up there. The best thing is to open some vents / windows in the morning and aim a small fan (I have a 12v fan) to that area to circulate the air. This will dry it out.

Cooking can also add to the humidity up there and suggestions to vent while cooking is right on, better to get rid of it ASAP then to deal with it later.


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Kayteg1

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Posted: 12/16/17 09:54am Link  |  Quote  |  Print  |  Notify Moderator

In my case the main issue was condensation on front glass that was running under the mattress.
We have thick mattress that was covering part of the glass and that added to the issue.
And yes, I replaced cabover floor beams this summer.

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