Gloeocapsa Magma…when was the last time you discussed Gloeocapsa Magma? Have you ever even heard of Gloeocapsa Magma? Gloeocapsa Magma, also known as black mold, is a type of bacteria that is responsible for causing black stains and streaks on roofs. It feeds off moisture and “organic bacteria food.” After accumulating over time, the black stains begin to appear. Causes of Gloeocapsa Magma include:

Humidity
Fiberglass shingles with limestone as a filler (in the asphalt). These type singles hold moisture for longer periods of time. This type of bacteria is airborne. It can cause substantial destruction to your roof causing shingle decay, which shortens the lifespan of your roof.