Not only that but white paints also reflect heat at infrared wavelengths which a human eye cannot see and.
White roof reflects heat.
New york for instance introduced rules on white roofs into its building codes as long ago as 2012.
How white roofs help to reflect the sun s heat april 14 2020 3 54pm edt nilesh bakshi maibritt pedersen zari te herenga waka victoria university of wellington.
Reflective surfaces are a form of geoengineering.
Reflective surfaces can deliver high solar reflectance the ability to reflect the visible infrared and ultraviolet wavelengths of the sun reducing heat transfer to the surface and high thermal emittance the ability to radiate absorbed or non reflected solar energy.
Cool roof coatings are white or special reflective pigments that reflect sunlight.
Likewise a roof painted in whit will be cooler inside than that of a darker shade.
The most well known type of reflective surface is the cool roof.
Products are available for most roof types.
There are many small scale initiatives in cities to make roof surfaces more reflective.