How Do White Roofs Reduce Smog

A white roof project is low cost easy to implement relieves stress on the power grid cuts down on smog and creates tangible change for individuals our communities and even globally reports the group which is looking to expand its work across the country significantly in 2013 and expand internationally in 2014.

How do white roofs reduce smog.

Critics have suggested white roofs do. The latter tends to be higher in urban areas due to the mass heat absorption from paved roads. A lighter colored roof will reflect as much as 80 percent of the solar radiation that hits your house back into space. In 2017 more than 3 000 city rooftops were painted using both white lime and a special reflective coating.

Black roofing is also responsible for heating our waterways. A white or at least light colored roof provides two benefits. The second benefit is more cosmic. It has long been known that installing white roofs helps reduce heat buildup in cities.

In urban areas white roofs also help lower smog levels by lowering local temperatures which tend to be higher due to the large proportion of paved surfaces. The drawback of white roofs. The first is reduced air conditioning costs which can drop 15 to 20 percent. Known simply as cool roofing this process is designed to reduce the solar radiation.

Don t jump on the white roof bandwagon just yet however. But new research indicates that making surfaces more light reflecting can have a significant impact on lowering extreme temperatures not just in cities but in rural areas as well.