[TheForge] Re: rFoil vs Fibreglass Insulation

[GHS]

"Walter L. Mullett" wrote:
> 
> Just and FYI:  When we do thermal calculations for heat loss/gain, we use
> the thermal conductivity of each building component.  From that we can
> calculate and graph the temperature gradiant across the wall to see what is
> really happening and where the dewpoint will actually occur.  We want it in
> the insulation. 


AND behind a vapor barrier. No?
Otherwise, wet insulation. Dew is dew
wherever.


 >If it's on the surface or inside a
material that is porous,
> you get wet whatever.


Mike Graf