Karl Cunningham wrote: > On 7/9/2007 9:06 PM, Stewart Stremler wrote: >> begin quoting Andrew Lentvorski as of Mon, Jul 09, 2007 at 07:40:52PM >> -0700: >>> Ralph Shumaker wrote: >>> >>>> I don't know if such a thing exists, but another way to keep a house >>>> cool would be a thin metal screen (think like a security screen >>>> door) covering the roof with a few inches gap in between. The attic >>>> would not get nearly as hot from the sun beating down on it. >>> I don't think I buy this. >>> >>> At the very least, if your suggestion works, I don't understand why I >>> shouldn't want to use a white (or silvered) tarp over the entire roof. >> >> So long as there's air movement underneath, I think you might. If you >> don't mind replacing it frequently. >> >> Light-colored shingles work better than dark, after all. >> >> Another problem with screens and tarps is that you can't walk on >> 'em... which makes roof maintenance difficult. > > A friend of mine's roof has vents in between each rafter along the eves > and a vent all along the ridge. Air flows in under the eves, along just > under the roof, and out at the top. It cools the roof to reduce > radiation from it onto the ceiling below, and allows hot air to get out.
Just thinking: could one put little windmills in there too? Regards, ..j -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
