Why Are Most Roofs Dark

The length of the sunlit day diminishes greatly during the part of the year when heating requirements are high and by.

Why are most roofs dark.

Dark roofs are great at absorbing heat which is super handy if you live in a cold winter climate and your primary goal is to keep heat in during the colder months of the year. Here are some points to consider. Dark roofs may have a small snow melt effect but not a sizeable one. And the dark roof effect is the least effective where it is most needed.

Although these dark spots and ugly black streaks on your roof may look like dirt mildew soot or mold what they really are is algae. What are those ugly black streaks on my roof. As such your roof plays the biggest role in determining how much of the sun s heating gets into your home. If keeping heat out is your game however a dark roof color will work against you.

Brighter or lighter colors tend to reflect away not just light rays but. Light or dark roofing in direct sun which is better. The most common type is known as gloeocapsa magma also known as blue green algae. The roof covers a huge portion of the exterior of your house and receives most of the direct sun rays.

Similarly if your roof experiences winter problems like ice dams your roof color probably isn t the primary culprit. More likely insufficient attic insulation and poor roof ventilation create the problem.