I live in California. Both my house, which was built in 2003, and my parents house, which was built in 1962, have vents along the base of one exterior wall. I wonder if this is because the water heaters are housed there?
Marianne
--- In DoIt_Yourself@yahoogroups.com, "LarenCorie" <larencorie@...> wrote:
>
> Posted by: "bob@..."
>
> >- None of my garages ever had a wall vent.
>
> Posted by: "wired" wiredformen@...
>
> > Here in Texas I have not seen these vents either.
>
> Greetings;
>
> I have been a home designer for most of my life, and
> I have never heard of such venting, as standard practice.
> I would assume that it would be there mainly for reducing
> interior humidity and condensation, rather than for venting
> exhaust fumes. But, some garages, just as many barns
> do, have vented cupolas up on their roofs. Most older
> garages have been built without a poly vapor barrier under
> the slab, so moisture rises through them, from the ground,
> and of course, cars can carry in snow and other forms of
> moisture. However, a slab, over dry ground (or gravel fill)
> with poly VB should not require the garage to be vented,
> any more than natural leaks, and occasional door opening.
>
> -Laren Corie-
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