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Dumb question? r2kay 08-27-2007
|--> Re: Dumb question? JoeSpareBedroom08-27-2007
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Posted by on August 27, 2007, 10:24 am
I'm putting in new 3" round soffit vents. Does it matter what
direction the slanted louvers face, whether towards or away from the
building. I was just thinking that facing outward may allow better
exposure to the wind resulting in better air circulation. Or, not?


Posted by JoeSpareBedroom on August 27, 2007, 10:34 am
> I'm putting in new 3" round soffit vents. Does it matter what
> direction the slanted louvers face, whether towards or away from the
> building. I was just thinking that facing outward may allow better
> exposure to the wind resulting in better air circulation. Or, not?
>

Wind isn't what makes them work, so it doesn't matter. They work due to
convection. Warm air venting out the top pulls cooler air in through those
vents.



Posted by Phisherman on August 27, 2007, 11:24 am
On Mon, 27 Aug 2007 07:24:09 -0700, r2kay@yahoo.com wrote:

>I'm putting in new 3" round soffit vents. Does it matter what
>direction the slanted louvers face, whether towards or away from the
>building. I was just thinking that facing outward may allow better
>exposure to the wind resulting in better air circulation. Or, not?


Doesn't matter. Make sure the vents are not blocked with insulation.

Posted by on August 27, 2007, 2:27 pm
> Doesn't matter. Make sure the vents are not blocked with insulation.

Thanks for the help guys. Regarding the insulation, I was surprised
that none came drifting out when the soffit was removed because the
crawlspace is filled with blown in insulation that is quite deep and
appears to uniformly cover the enitre area. I'd been expecting to
have to contrive something to put up between the rafters to keep it
away from the vents. I *think* I'm glad there was none.

Thanks again.


Posted by JoeSpareBedroom on August 27, 2007, 2:41 pm
>> Doesn't matter. Make sure the vents are not blocked with insulation.
>
> Thanks for the help guys. Regarding the insulation, I was surprised
> that none came drifting out when the soffit was removed because the
> crawlspace is filled with blown in insulation that is quite deep and
> appears to uniformly cover the enitre area. I'd been expecting to
> have to contrive something to put up between the rafters to keep it
> away from the vents. I *think* I'm glad there was none.
>
> Thanks again.
>

I used a product with an inaccurate name: hardware cloth. It's not cloth,
but a mesh with holes bigger than window screen.
Here:
http://www.twpinc.com/twpinc/control/category/~category_id=TWPCAT_4

Easy to find at hardware or home improvement stores. It's quite stiff, so
it'll stay in whatever shape/position/angle you need.



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