Grey Roof Shingles Turning Black

See proximate cause roof shingle stains types of roof stain by color location probable cause and.

Grey roof shingles turning black.

This is what makes those unattractive black streaks on your roof. List of the pros of black roof shingles. The algae feed on the limestone in shingles. Roof shingles are exposed to a lot of wear and tear as extreme heat sun wind and precipitation come into contact with them.

Even the thermal energy with cloudy skies gets picked up with this installation. If you live in a humid area of the country you ve probably seen unsightly dark streaks on asphalt shingle roofs. Although algae can be found on all types of roofing it tends to be most common on asphalt shingles. See debris staining roof debris and.

The color helps to retain more heat in the home. Why does this algae appear to be black. When that happens it is generally caused by mildew algae mold or dirt stains. Thus elimination of roof algae may reduce roof fungus and roof mildew accumulation.

Leaves twigs and tree bark roof algae stains are seen in nearly eighty percent of the united states in various degrees. Gloeocapsa has the ability to form a protective darkly pigmented outer coating that shields the algae from damaging uv rays. Black brown or gray stains on roofing products due to debris left on the roof surface such as piles of leaves and organic waste from nearby trees. So will removing loose debris from your roof shingle deck and gutters.

As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see. Black roof shingles do an excellent job of absorbing the heat from the sun each day. Though often attributed to an accumulation of dirt defective shingles mold or mildew.