KB Homes has announced that here in Southern California they will be installing smog eating tiles in select communities.
The tiles are manufactured by Boral Roofing based in Irvine, California. The tiles actually neutralize smog forming nitrogen oxides that are produced by vehicles. The concrete tile roof on a 2,000 square foot home can neutralize the same amount of nitrogen oxide that a car's typical engine creates during 10,800 miles of driving in one year.
When the tile's surface is exposed to ultraviolet light (daylight) it breaks down the nitrogen oxides in the air into calcium nitrates, which are harmless. Calcium nitrate that washes off the roof then fertilizes your garden because calcium nitrate is a very mild fertilizer.
Pretty darn cool stuff!
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