2007-02-22 11:27:32 · 8 answers · asked by The Hawk 2 in Environment
Most roofing material is very reflective in order to keep the heat off. It's not perfectly reflective, but disperses the light energy away to keep the attic from getting too hot. Tin roofs are probably more reflective than tile.
If you made rooftops like mirrors the airplanes might have a problem when flying over.
2007-02-22 11:37:34 · answer #1 · answered by Anonymous 7 · 0⤊ 0⤋
There are a few major problems with this suggestion, though it is a creative one:
1. Radiation is not the same thing as light. It cannot be bounced away with a mirror or "reflective paint" like light can. UV light in particular can be filtered through glass, but radiation itself can't.
2. Supposing this were possible, UV rays would not merely go back into space if we "bounced" them off our roofs. They would interact with the o-zone and with other things in our environment.
3. There is not enough surface area on all of our rooftops to bounce away the majority of the UV rays that are currently penetrating our planet's atmosphere, even if this suggestion were possible.
2007-02-22 11:36:38 · answer #2 · answered by EcoBoy 1 · 0⤊ 0⤋
Believe it or not, California now requires that all new buildings have roof systems that are COOLROOF rated roofs. Within a couple years, ALL roofs will be required to be COOLROOF rated roofs. Chicago followed suit after the deaths of several elderly people during a heatwave a couple years ago. Miami is expected to do the same.
Our company is certified by HYDRO-STOP as an approved contractor in the application of coolroof rated systems by HYDRO-STOP. These roofs have very high reflectivity and emmisivity ratings, are fully renewable, including their 10 year warranty period, never need to be torn off, which reduces landfill debris, are liquid-applied, which makes them conformable to practically any shape, are approved by the cool roof rating council, Factory Mutual, have the Energy Star rating and are all water-based products containing no solvents to be carried into the atmosphere.
Your question is not as strange as you might have thought.
2007-02-22 11:46:42 · answer #3 · answered by Darryl L 4 · 0⤊ 0⤋
Instead just add good dolar panels on roof. You will end up getting free electricity and using up about 25% of light energy.
2007-02-22 20:02:38 · answer #4 · answered by funnysam2006 5 · 0⤊ 0⤋
Put a light colored steel roof on your house. It cools your house significantly because of its color and the dead air between it and the old roof. Plus, it kept a Katrina tree from going through my roof, but bounced it on top of my neighbor's house. I did apologize.
2007-02-22 11:38:07 · answer #5 · answered by MDHarp 4 · 0⤊ 0⤋
Radiant barrier coating is too expensive to be practical at this time.
2007-02-22 11:31:40 · answer #6 · answered by mr.dave 1 · 0⤊ 0⤋
NOOOOOOO don't do that! It would signal the aliens!
2007-02-22 11:31:34 · answer #7 · answered by LELAND 4 · 0⤊ 0⤋
one good small idea-if it was that easy.
2007-02-22 11:31:03 · answer #8 · answered by RayM 4 · 0⤊ 0⤋