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Condensation problems, Can anyone help??

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Capon2013

Posts : 8
Join date : 2013-06-20

Condensation problems, Can anyone help?? Empty Condensation problems, Can anyone help??

Post by Capon2013 on Wed 18 Sep 2013, 6:19 pm

Hi dandy campers,

We have recently taken our 'Candy' dandy to Dawlish Warren, Devon for 4 nights. We live only an hour away but it was great to do the 4nights!.

We had an amazing time however we were miffed when every morning we woke, our inside roof and roof bars were dripping with condensation!!, we have small air vents in our Designer above the cooker and in the door.

Does anyone have any tips or ideas on reducing the condensation as wipping the inside roof and bars in the morning was getting annoying.

The weather was pretty warm outside and telling the wife and two children not to breath as much didn't work!!

Look forward to your help in ideas.

Many Thanks
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navver

Posts : 1005
Join date : 2013-01-03

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by navver on Wed 18 Sep 2013, 7:07 pm

Leave a small heater on overnight. I don't think ventilation does a lot but warmth does.
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Guest
Guest

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by Guest on Wed 18 Sep 2013, 9:36 pm

Hi yes a small heater does the job also a roof canopy liner helps may sound funny but the more you use the Dandy in the season the less it gets why i don't no
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navver

Posts : 1005
Join date : 2013-01-03

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by navver on Wed 18 Sep 2013, 9:49 pm

That's odd Graham. I wonder if the seats etc take on moisture which dries out when it's used meaning less moisture in the air inside so less condensation.
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Guest
Guest

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by Guest on Wed 18 Sep 2013, 9:51 pm

could well be as its got to get a bit damp inside when not in use over the out of season
Caz1960
Caz1960

Posts : 1716
Join date : 2011-09-04
Age : 60
Location : Cardigan west wales

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by Caz1960 on Thu 19 Sep 2013, 12:20 am

Very Happy I don't have the problem only because I have the windows open as did notice that when I had the heater on in the awning I was nice and warm but then decided to put the skirt around to save the heat (now sealed ) I got cold drips down my neck in the morning so doors open ventilation was needed the only other thing apart from windows open is to place t-Towels on the roof bars to absorb the wet hope that helps
mike
mike
Dandy Owner

Posts : 5172
Join date : 2011-06-12
Age : 71
Location : north east lincs

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by mike on Thu 19 Sep 2013, 2:04 pm

Ime not a great believer in ventilation being the answer,is your dandy insulated if so close everything and keep the inside warm,condensation can only form if there is a cold surface,if its insulated and you keep it warm inside but still get condensation on the roof and roof bars check where the roof goes over the walls and see if you can pull it down any tighter to stop cold air coming in.
Mine is uninsulated now but i made my own self fit insulation and i just keep it warm inside and dont have a problem,when it had no insulation i still kept it warm inside and got a bit on the single skin bed ends but a piece of ply at each end keeps it off the bedding.

mike
Retro
Retro

Posts : 41
Join date : 2013-09-05

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by Retro on Thu 19 Sep 2013, 4:16 pm

I also doubt that more ventilation will provide a cure.

I put a temporary corrugated plastic roof on my garage, higher than the original roof. It has a gap on three sides, 4" at the front, widening to 18" at the rear and condensation still forms on the underside of the roofing. I thought that it must be leaking at one point.

Outside our back door we have a large awning roofed with GRP sheeting and, despite being open on three sides, that also suffers from condensation on the underside of the roofing.
Caz1960
Caz1960

Posts : 1716
Join date : 2011-09-04
Age : 60
Location : Cardigan west wales

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Post by Caz1960 on Thu 19 Sep 2013, 7:39 pm

there is a thought there is a moisture content in gas some are worse than the others it could be the gas you are using scratch 
Retro
Retro

Posts : 41
Join date : 2013-09-05

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by Retro on Thu 19 Sep 2013, 8:32 pm

Weight for weight, butane produces more moisture than propane when burnt.
peridot
peridot
Dandy Admin

Posts : 545
Join date : 2012-09-01
Location : Newport

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by peridot on Thu 19 Sep 2013, 11:52 pm

Retro wrote:Weight for weight, butane produces more moisture than propane when burnt.
and butane has a higher heat value so needs to burn less for the same effect so overall difference in moisture output is two fifths of bugger all ... probably?

I recall the occasional cold drip on the forehead in the Designer but never a noticeable problem.
Retro
Retro

Posts : 41
Join date : 2013-09-05

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Post by Retro on Fri 20 Sep 2013, 11:02 am

To be honest, based on experience of using unvented gas heaters (propane and butane) in houses, caravans and other places, I would have thought that they would actually make the condensation problem worse. They do give off a fair bit of water vapour.

I used one in my workshop briefly but stopped as it was making all my tools go rusty.
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navver

Posts : 1005
Join date : 2013-01-03

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Post by navver on Fri 20 Sep 2013, 11:46 am

The underfloor gas heater is balanced flue so none of the flue gas goes inside. It's only open gas flames inside which cause moisture such as the cooker or free standing gas fire or tilley lamp etc.

Cooking and boiling water increases it as well.
Retro
Retro

Posts : 41
Join date : 2013-09-05

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by Retro on Fri 20 Sep 2013, 1:19 pm

I was confused reading the posts.  For some reason I thought the problem was condensation in the awning but reading the OP again I can see that obviously isn't the case.
Phoenix
Phoenix
Dandy Expert

Posts : 1435
Join date : 2011-09-07
Location : South Norfolk.

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Post by Phoenix on Fri 20 Sep 2013, 9:55 pm

We have just got back from a week away in our 6 "Dylan". We were using an electric convector heater during the night and occasionally during the day if Mrs P and the dogs were feeling a bit nippy. It is an uninsulated Dandy, we suffered very little if no condensation in the Dandy itself. When we were packing up today we felt the underside of the mattresses they were cold and possibly a little damp, but not wringing wet. The first morning the awning roof was very wet but to be honest the rest of the week it hasn't been noticeable at all. We do have the window from the Dandy to the awning open a bit all of the time and the back window open quite a bit of the time too. We didn't have any form of ground sheet down in the awning. We do have a skirt around the hitch end, we don't the other as he didn't come with one.
Retro
Retro

Posts : 41
Join date : 2013-09-05

Condensation problems, Can anyone help?? Empty Re: Condensation problems, Can anyone help??

Post by Retro on Sat 21 Sep 2013, 10:23 am

I've noticed that condensation is a lot worse in the awning on the odd occasion we haven't used a groundsheet. Incidentally, our groundsheet and skirt are all one piece.
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Capon2013

Posts : 8
Join date : 2013-06-20

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Post by Capon2013 on Mon 23 Sep 2013, 7:53 pm

Hi All,

Many thanks for your replies, they gave me some idea's of what may be happening.

It was happening in August when the weather was mild out. It was the inside of the dandy itself, with the whole roof and bars inside soaking wet on waking up in the morning. It was definately condensation and not the roof leaking as we had no rain. I didn't know if one of those small dehumidifiers would work, we tried with one of the windows open, however in the middle of the night the temp dropped outside.

As soon as i work it out i'll upload some recent photo's..

Happy camping!!

Dave & Family

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