White roofs are ideal, reflecting from sixty to 90 % of sunlight, according to the Division of Vitality. But you also can buy a "cool colored" roof: a darker roof that uses specialised pigments that replicate about thirty to sixty p.c of daylight. (Examine the DOE’s Strength Saver page for https://collinchlqt.ouyawiki.com/956699/the_greatest_guide_to_roof_repair_colorado