New york for instance introduced rules on white roofs into its building codes as long ago as 2012.
Nyc subsidies for painting roofs white.
As part of a project known as cool roofs volunteers in new york city have been painting black roofs white and have so far covered more than 500 000 square meters of roof though that s less than.
It can reduce temperatures by as much as 60 degrees on the roofs and by 10 to 20 degrees inside cutting.
According to a new york city press release cool roofs can also lower air conditioning costs by 10 to 30.
There are many small scale initiatives in cities to make roof surfaces more reflective.
For pricing and availability.
Paint brushes rollers gloves etc at no charge if the building owners pays for the coating.
A cool roof has a highly reflective surface typically white and releases heat quickly.
Bloomberg said the benefits of coating a roof with reflective white paint are well known.
Cool roofs reduce cooling costs cut energy usage and lower greenhouse gas emissions.
By reflecting more light and heat back to the.
Building owners that agree to share the coated building s aggregate electricity consumption data a minimum of 2 years preceding and 2 years post cool roof installation.
Not only that you get to save the planet.
Ben schiller is a new york staff.
Volunteers have taken white paint to nearly 7 million square feet of tar roofs in the city though that is still only about 1 percent of the potential roof area.
New research shows that white roofs may actually add to global warming.
Roofs are often coated with either a paint like coating which is rolled or sprayed onto flat roofs or covered with a white rooftop membrane.
Black jack elasto kool 1000 5 gallon elastomeric reflective roof coating 10 year limited warranty item 139941.
Nyc coolroofs will provide the labor technical assistance and materials e g.
Painting roofs white has been like changing lightbulbs one of the well cited easy ways out of climate change.
Some experts worry that painting roofs white may not be the best way to cool a city.
Secretary of energy and a nobel prize winning scientist has said that painting roofs white or another light color would help to reduce global warming by reflecting sunlight back into space it would be like removing every vehicle from the planet for 11 years.