30 Nov '12, 4am

Where does humidity go in a super sealed building ??? #green

I am wondering deeply, and this question makes me doubt all wall designs. Where does all the humidity go in a super sealed structure ? Let's assume that a residential house has an almost perfect water vapor barrier setup and or is very tight ( my personal example is an ICF house ), what happens to all the daily generated humidity by the occupants ?? I understand that nothing is completely vapor diffusion proofed, but if slow enough, would the humidity level rise without stopping ? I am asking this because of the following situation ... I have a large ICF ( quadlock) house, on which there is a flat roof terrace, and i have to re-build the small exit house on top of it because my carpenter helper didn't do it properly ( all sheating got damp, some rotten wood supports etc... many many air leaks ) And i need to commit to a certain design, so i am afraid that i would actually ...

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