![]() You can also choose to install a metal roof since metal roofing does not require any additional fillers like those with limestone in them. This can cause leaking in the future, so be careful if you decide to install metal strips on your roof. Zinc and copper strips also need to be nailed into roofing to work properly. The strips can also warp over time, which can reduce their effectiveness and cause a need for replacement. These metals are toxic to organic materials, which will aid in preventing regrowth.Īlthough these metals do aid in preventing growth, they can be very expensive to purchase and maintain. Home improvement expert Danny Lipford says that you can prevent algae growth, including gloeocapsa magma, by installing strips of zinc or copper-coated sheet metals along your roof. How can I prevent algae from regrowing on my roof? Gloeocapsa magma commonly grows on asphalt shingle roofing because it eats away at the shingles’ limestone fillers. Asphalt shingles are a popular choice for roofing material because they are a rather inexpensive option than other materials. Home advisor Bob Vila explains that limestone-based fillers are commonly used along with asphalt shingles. Limestone is often used in a crushed form for the fillers in between roof shingles. The favorite food of gloeocapsa magma is limestone, a form of calcium carbonate. In order to survive, bacterial growths need a source of food. ![]() It could help you determine if you do have gloeocapsa magma growing on your roof- and throughout your neighborhood! Why are algae commonly seen on asphalt shingles? If you start to see black streaks or stains appear on your roof, check to see if any of your neighbor’s roofs have a similar pattern on your next walk or drive around the block. Because of this, oftentimes, more than one house in a neighborhood will have similar black streaks or stains on the rooftops. If an animal was on one surface where they were in contact with spores of the algae and traveled to another surface, the spores could have traveled with them, and some could have been left behind on the new surface.Īirborne algae spores easily spread to rooftops close by each other. Animals can also spread gloeocapsa magma. This type of algae spreads through the wind as it travels best through the air. How did algae get on my roof in the first place? ![]() Learn more about your area’s climate, and click here to learn more about why black streaks are on your roof. Warm and humid conditions are prominent year-round throughout the Southwest and Coastal regions, and seasonally in the Midwest regions of the United States. Like most bacteria, gloeocapsa magma grows best in environments where conditions are typically warm and humid. Gloeocapsa magma algae typically grow on the north side of roofs, where there is less sun exposure throughout the day. The organic growths may also appear as a stain or in a streaking pattern.Īlgae grow best in darker conditions where there is moisture. These dark colors help to protect the algae from the ultraviolet rays of the sun. It can also appear to be a darker or black color on roofing and other surfaces. The Family Handyman explains that this specific type of algae is normally a blue or green color. This growth is a type of bacteria that forms when algae spores group together. The dark color that appears as a black stain is caused by a specific type of algae called gloeocapsa magma. What are these black streaks on my roof ?Īlgae commonly cause streaking and staining on roofs. Read on to find the answers to these questions and more. So why are there black stains on your roof, and how do you remove them? The appearance of the outside of your home is important. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena.It is very frustrating when black streaks and stains appear on your roof, especially when you have no clue why they appear. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Philip Christensen at Arizona State University. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Science Mission Directorate, Washington, D.C. Please see the THEMIS Data Citation Note for details on crediting THEMIS images. These features are thought to form by downslope movement of material which either reveals the darker rock beneath the dust coating, or creates the darker surface by flow of a volatile just beneath the dust coating. The entire inner rim of the crater on the right side of the image contains dark slope streaks. This VIS image is located in an unnamed crater in Arabia Terra.
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