RH problem

[Ric Brekne]

Thanks Chistopher, Terry... and Don.

I wonder if you could expound a bit on exactly what a vapor barrier 
is... is that like a space of dead air in between double panes of window 
glass ?

Terry... about the Farhenheit bit.... I was speaking Amerilish for youz 
guys's benifit you see... :)

Cheers and thanks.
RicB

Responding as an architect, I asked a senior technical architect in our
office for his thoughts. He agrees with Mr. Farrell. The building
envelop needs a vapor barrier. If it is a hot humid climate, the barrier
should go to the outside. If it is a cold dry climate, like here, it
should go towards the inside.
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My best guess is that the ceiling and upper walls are poorly insulated.
These are outside walls? The dew point for 40% RH and 72 degrees F is 46
degrees. So if it was 36 degrees F outside and the walls were around 40
degrees F or so, condensation will occur on the walls.

I thought Europeans used the Celsius scale for temperature.

Terry Farrell