QCondensation inside double gkazing

Joined
Dec 1, 2020
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Location
Brassempouy, south west France
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78,247
MH
Hymer B878 SL
Exp
Since Feb 2020
Our 2016 Hymer has developed condensation inside the double glazing during winter. I was hoping this would rectify itself during sumner but it hasn't. Is there a cure fir this or must we replace the window?
 
Hi Jofang

be it either double or single laminated, I know Jocks experience would suggest that double is more trouble than it's worth and can't argue with that.
Having thought about this I think it rather depends how you use your motorhome. yes in mild weather there's probably not much gain but in very hot or very cold weather then it could make a significant difference to the cabin temperature, afterall who remembers single glazing at home in the winter, there are very good reasons why people have double or even triple glazing. the cab area in particular is quite hard to warm while static so the more insulation the more comfortable it is, hence why the better mh's have them.
 
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The more ideas and information is posted in support of my problem the more I'm thinking that climate has a lot to do with it. I keep my motorbikes and tools in our cellar beneath our house (my wife calls it our bunker) and last winter both my humidity sensors, one in the bunker, one outside, were reading 98-99% humidity. All my tools, overalls, seats on the bikes and anything wooden were covered in a green film of mould, as well as some of our clothes in the bedroom. What's the point of all this you ask, well, we are currently in Jaca in Spain and the weather is bone dry and the fog in the window is slowly disappearing, so I'm thinking how do I control the humidity in the vicinity of the mhome? Jock's idea featured a black bin bag between the foldiing curtain and the internal window glass with that side of the van facing the sun, which seems favourite (and cheapest) up to now.
 
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The more ideas and information is posted in support of my problem the more I'm thinking that climate has a lot to do with it. I keep my motorbikes and tools in our cellar beneath our house (my wife calls it our bunker) and last winter both my humidity sensors, one in the bunker, one outside, were reading 98-99% humidity. All my tools, overalls, seats on the bikes and anything wooden were covered in a green film of mould, as well as some of our clothes in the bedroom. What's the point of all this you ask, well, we are currently in Jaca in Spain and the weather is bone dry and the fog in the window is slowly disappearing, so I'm thinking how do I control the humidity in the vicinity of the mhome? Jock's idea featured a black bin bag between the foldiing curtain and the internal window glass with that side of the van facing the sun, which seems favourite (and cheapest) up to now.
Internal.
You need a de-humidifier.
They are surprisingly effective in a closed area.
But you may find you are having to empty the water tank on a daily basis

Not so effective in a motorhome, as they have vents all over the place.
 
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Internal.
You need a de-humidifier.
They are surprisingly effective in a closed area.
But you may find you are having to empty the water tank on a daily basis

Not so effective in a motorhome, as they have vents all over the place.
Really??? How's the OP going to get a dehumidifier inside his glazing unit?

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The more ideas and information is posted in support of my problem the more I'm thinking that climate has a lot to do with it. I keep my motorbikes and tools in our cellar beneath our house (my wife calls it our bunker) and last winter both my humidity sensors, one in the bunker, one outside, were reading 98-99% humidity. All my tools, overalls, seats on the bikes and anything wooden were covered in a green film of mould, as well as some of our clothes in the bedroom. What's the point of all this you ask, well, we are currently in Jaca in Spain and the weather is bone dry and the fog in the window is slowly disappearing, so I'm thinking how do I control the humidity in the vicinity of the mhome? Jock's idea featured a black bin bag between the foldiing curtain and the internal window glass with that side of the van facing the sun, which seems favourite (and cheapest) up to now.
You will probably find that it condensation spots will appear with changes in temp and shading. If you can live with it then you don’t really need to do anything unless the control technique people aren't happy.
 
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@Lenny HB hope your new Carthago has not got double glazed cab windows but being a light chassis it probably won’t due to weight👍 result🙂
I may be dumb but not that dumb. Well aware of the problems. I thought the latest ones didn't suffer from the problem any more, obviously bum information.

Anyone going for a single glazed replace ment I would think laminated would be better than toughened from a theft/btrakin point.
 
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Really??? How's the OP going to get a dehumidifier inside his glazing unit?
Perhaps read the OP's message first, which I quoted.

All my tools, overalls, seats on the bikes and anything wooden were covered in a green film of mould, as well as some of our clothes in the bedroom.

The de-humidifier is to deal with the other damp problem he has, in his bedroom
 
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Control technique is my biggest concern. It's not due until July 24 but I need to be ahead of the game.
I took previous Mh through UK mot with both cab windows showing signs but I don't think side windows are considered , is it a question you could discretely ask somewhere in preparation? the Camping Caristes must have a forum, I know they used to use CcInfos but not sure if thats the main one, how's your French?

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I can go to ask the local chap at the testing centre. I'm 5 tons, so it's a more in depth test, same as big trucks. Thank you
I'm trying to source either laminated or toughened glass here in France and there are several companies that could help but my biggest problem is the removal and replacement of the glass, as I'm 74 and not as sprightly and adventurous as I used to be, so I need to use a repairer to do this work. I've noticed that the condensation in the morning when it's cool is minimal, which increases to a fog when the sun is high (36C today). Although my control technique (French MOT) is not due until next July I'm considering having it done in the middle of winter when I hope the condensation will be at a minimum. In the meantime I'll research further for a repairer and a source of glass. Kindly publish on the forum any further information that comes your way on this problem.
 
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I'm trying to source either laminated or toughened glass here in France and there are several companies that could help but my biggest problem is the removal and replacement of the glass, as I'm 74 and not as sprightly and adventurous as I used to be, so I need to use a repairer to do this work. I've noticed that the condensation in the morning when it's cool is minimal, which increases to a fog when the sun is high (36C today). Although my control technique (French MOT) is not due until next July I'm considering having it done in the middle of winter when I hope the condensation will be at a minimum. In the meantime I'll research further for a repairer and a source of glass. Kindly publish on the forum any further information that comes your way on this problem.
This old thread might give you or somebody doing it for/with you a bit of an insight into what is involved in removing and splitting the window frame, I am thinking yours will be pretty similar to these in the thread.
 
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