The most effective energy saving finish for metal roofing is commonly referred to as cool metal roofing.
Best metal roof color for energy efficiency.
Since more heat is reflected energy bills are lowered.
Other factors such as roofing material insulation and the integrity and age of the roof all come into play.
Green roofs popularly known as the living roofs can make your roof cool.
Cool painted metal roofs retain 95 of their initial reflectance and emittance over time equaling longer lifespan over conventional roofing systems.
Florida solar energy center.
You should go with a lighter color metal roof such as lighter shades of green silver or off white if you want to attain maximum energy efficiency and keep your home as cool as possible during summer.
Light roofs are the most energy efficient roof color for summer but remember that it s not just roof color that comes into play here.
In this type your roof will be covered by greenery.
This highly reflective coating uses cool pigments in the paint to increase solar reflectance and lower the surface temperature of the roof.
However the metal can make your roof cool.
Modern energy efficient metal roofing acts as a giant mirror of sorts by reflecting the heat and energy up into the air.
Metal roofing utilizing cool colors are known to have energy savings ranging from 7 15 of overall cooling costs.