| gofish@gonefishin.net 2006-03-31, 10:21 pm |
| On 31 Mar 2006 14:03:58 -0800, "BillH" <whammer@dcccd.edu> wrote:
>I have a 5 year old 2-story house in Dallas. Attic is about 1600 square
>feet, and the roof is complex with a number of peaks and only a few
>relatively short horizontal ridges. Ventilation is roughly to code,
>using about a dozen 8 x 16 soffit vents and mushroom vents at or near
>most peaks. Insulation is blow-in fiberglass and it's ok - about R-40.
>I have 2 issues, would appreciate some advice.
>
>First, in the Spring, on windy days, the airflow thru the vents pushes
>loose-fill all over the place. I have to carefully rake it back into
>place before the start of the cooling season each year. It's a real
>pain. Does anyone else have this problem? I was thinking of installing
>some sort of vertical baffles, like a thin plastic that I every 3rd
>or 4th joist to help hold the heaps into place. Wouldn't fasten them
>down as I do have to get to something electrical or plumbing every now
>and then. Is this a good idea?
>
>Second, in the Summer, on very hot calm days, the air stagnates in the
>attic. I suspect it just doesn't have the "oomph" to make the S-turn
>needed to flow out of the mushroom vents. It gets real hot up there.
>The floor insulation keeps this out of the house proper, but the mile
>of cheap AC flex duct soaks up a lot of heat and so does the underside
>of the roof. I'd just like it a bit cooler up there, not looking for a
>miracle. Was wondering if the addition of a medium size or slow moving
>fan mounted a few feet off the attic floor under the highest roof peak,
>with a tube extending upward to within a few feet of a cluster of
>mushroom vents would help the convection along. Will this help?
>
>Thanks!
>Bill
grow some balls Bill. Learn to tell pjm to shove it up his XXX.
he's quite comfortable with that.
as for cooling your hot summer attic:
http://www.solatube.com/res_solarstar.php
try a solar powered attic fan
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