Dear Thomas:
Thanks for the reply. I am studying the precipitation possibility of open cell spray urethan foam (icynene).
If you would spray against the high diffusion factor plywood without vapor barrier room side, it would precipitates during the winter. Whereas if you use the low one, it seems ...
Search found 2 matches
- Tue Jul 27, 2010 6:35 pm -1100
- Forum: Material
- Topic: Vapor diffusion factor for plywood
- Replies: 2
- Views: 6343
- Sat Jul 24, 2010 5:40 pm -1100
- Forum: Material
- Topic: Vapor diffusion factor for plywood
- Replies: 2
- Views: 6343
Vapor diffusion factor for plywood
The vapor diffusion factors for plywood differ ten times.
That of Fraunhofer-IBP is 20(@RH of 1.0) vs that of LTH Lund University is 2.63(@RH of 1.0)
Which one should I use?
That of Fraunhofer-IBP is 20(@RH of 1.0) vs that of LTH Lund University is 2.63(@RH of 1.0)
Which one should I use?