Grey Roof Shingles Turning Black

Leaves twigs and tree bark roof algae stains are seen in nearly eighty percent of the united states in various degrees.

Grey roof shingles turning black.

Thus elimination of roof algae may reduce roof fungus and roof mildew accumulation. 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. This is what makes those unattractive black streaks on your roof. List of the pros of black roof shingles.

Although algae can be found on all types of roofing it tends to be most common on asphalt shingles. The algae feed on the limestone in shingles. Gloeocapsa has the ability to form a protective darkly pigmented outer coating that shields the algae from damaging uv rays. Black roof shingles do an excellent job of absorbing the heat from the sun each day.

Why does this algae appear to be black. As the blue green algae accumulate they develop a dark hardened outer coating which results in the black stains you see. Even the thermal energy with cloudy skies gets picked up with this installation. So will removing loose debris from your roof shingle deck and gutters.

See debris staining roof debris and. When that happens it is generally caused by mildew algae mold or dirt stains. See proximate cause roof shingle stains types of roof stain by color location probable cause and. The most common culprit is actually a blue green algae known as gloeocapsa magmathat is spread by airborne spores.

The color helps to retain more heat in the home. The algae will worsen and become more noticeable each year trapping moisture and causing premature shingle aging and granule loss. Roof shingles are exposed to a lot of wear and tear as extreme heat sun wind and precipitation come into contact with them.