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Moisture!!

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Re: Moisture!!

Postby tmm » Fri Jan 06, 2017 5:38 pm

Beaker wrote:I have some proof that all my insulating is working. I have been doing a couple of hours work out in the van every day since boxing day. I have almost finished the insulation, and have been installing my wiring. The only parts of the van I still need to insulate are the roof cross beams, which I have left exposed until I have completed running the wire through them. When I've done that, I will wrap them in insulation.

Yesterday I went out to the van and noticed a line of wet on the floor, caused by condensation dripping off the front cross beam. As it is not insulated, it's suffering from a bad case of cold-bridging from the outer skin of the van. It's been really cold and dry recently but It was not as cold yesterday with much more damp in the air - exactly the kind of conditions you would expect condensation problems to become apparent.


Got the little air vents today Beaker and i'm impressed with them. Worth the money :)
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Re: Moisture!!

Postby Beaker » Fri Jan 06, 2017 7:31 pm

Great stuff. I still haven't got round to ordering them yet - must get a move on. :)
2011 SWB medium roof 2.2l Mk7 115 T300 in Frozen White. Stealth Camper converted.

"It's better to burn out, 'cause rust never sleeps..."
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Re: Moisture!!

Postby bigjohnthomas » Fri Jan 06, 2017 8:20 pm

And I'll tell you sommat else ,I have 45mm insulation on the roof of my van that foam stuff and on a damp day with the back and side doors open it still gets condensation forming on top of the 3mm plastic lining where the wooden spars are that the foam sits between
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Re: Moisture!!

Postby Beaker » Sat Jan 07, 2017 12:17 am

I hear you BJT, you can fight it, but you can't win.
2011 SWB medium roof 2.2l Mk7 115 T300 in Frozen White. Stealth Camper converted.

"It's better to burn out, 'cause rust never sleeps..."
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Re: Moisture!!

Postby V8_Bodge » Sat Nov 11, 2017 11:47 pm

Fire some expanding foam into the roof spars.
Mk3 LWB 3.9 V8
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Re: Moisture!!

Postby bigjohnthomas » Sun Nov 12, 2017 12:13 am

yeah that would do it
old thread
you got a bit of condensation :lol:
glue a bit of carpet up there is all it needs to stop it dripping
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