|
Posted by Alan on August 11, 2006, 12:49 pm
In our California home, we have a fans in the bathroom and kitchen, so
the need for moisture to exit through cracks in walls should be a
non-issue. Even if the fans are turned off, the pressure can escape
this way, and through open doors and windows, I suppose.
MaxChunk@ergebnis.de wrote:
> > I've had engineers tell me that old wood is not a strong as new lumber,
> > but I don't believe that.
>
> I don't see how they can make that claim. These days they're gluing
> together plywood to make "beams"... what's next, pressed-wood beams?
> But as you say, if you could even find the old solid wood, you can't
> afford it.
>
>
> > But, for the final question here, the new spray foam (sold by
> > www.tigerfoam.com) eliminate the condensation problem if all dried wood
> > studs and interior sheathing is covered--before placing the batts?
> > They claim it eliminates condensation the wood, and that mold won't
> > grow on the foam.
>
> I can't speak for California conditions, but here we get a lot of
> internal moisture due to cooking and showers that needs to exit the
> house. If the house is sealed tightly on all continuous surfaces with
> something that won't "breath", then the moisture will travel out through
> any gaps, and that is usually the windows sills and trim, and between
> the seams of the hardboard siding (on a house with that siding). So the
> best strategy if you want the house to last is to always use materials
> that breath, not vapor barriers.
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap