Re: SB: RV: CORRECTION TO THE (SB)ASICS OF LIFE

[ruth harding <rharding@sfu.ca>]

Just a question from BC.......do you know this for a fact?  as in, have you 
built or tested buildings and found this to be true?  Or is this the theory 
of what would happen?

thanks,

r


RT said

>Moisture can get into otherwise perfectly dry bales by the sun driving the 
>moisture from rain-
>soaked plaster into the straw (as well as from the interior from any 
>number of sources.)
>
><snip>
>Once that moisture is into the wall,  there isn't anything like the sun 
>inside of the wall to provide
>the same amount of energy as the sun, to convert all of that moisture 
>(much of which will  likely
>be converted to liquid phase somewhere within the wall) back into vapour 
>phase so that it can be
>driven  back out through the plaster skin.
>
>In cold climates during winter, where the air outdoors will have a very 
>low moisture content and a
>large temperature difference in relation to the heated indoors, some 
>drying to the outdoors may
>occur as Nature tries to equalise the differences. (Mother Nature is 
>apparently a Socialist)
>However in really cold climates, it is also highly likely that the 
>moisture may be in the form of ice
>and would likely have a difficult time finding its way out .


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