[Greenbuilding] best practice

Joe Killian kaa-ajk at sonic.net
Thu Mar 17 11:56:29 CDT 2016


Indeed.
Or to understand more about Vapor Profiles & Vapor Barriers and Vapor 
Retarders and which/where you want to use them, see buildingscience.com
search for
Understanding_Drainage_Planes.pdf
Understanding_Air_Barriers.pdf
Understanding_Vapor_Barriers.pdf
Understanding_Attic_Ventilation.pdf

There's an awful lot of good information on this site.
It's not rocket science, but is IS science.

Joe

On 3/17/2016 4:43 AM, Matt Dirksen wrote:
> Has the architect done a vapor profile to confirm that adding the foam 
> won't raise the risk of vapor hitting its dew point inside the wall? 
> It would sure suck if rotting occurred somewhere in the assembly, due 
> to adding the foam. Due to hygrothermic analysis, it ain't just about 
> R-value any more.
>
> Matt
>

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