The third most common type of growth on a roof is algae.
Green lichen on roof.
Most professional roofers advise that it is possible to do more damage to the roof by trying to remove lichen than the lichen will ever do to harm the roof.
Lichen can be a tough growth to remove due to the symbiotic relationship between the fungus and algae.
If you notice green white or gray spots on your roof moss and lichen are likely the culprits.
Lichen accumulation on roofs is really a minor problem that will not hurt the roof.
Lichen can grow in a wide range of temperatures and conditions.
Many people try to remove lichen by brushing and scraping it off with abrasive tools.
From the hottest desert to the coldest arctic tundra.
Mosses and lichens grow in damp conditions.
What does lichen look like.
Lichen and green moss growth on a slate roof.
Moss is darker green much thicker holds more water and also grips into the surface of the shingles.
Roof moss and lichen are not only unsightly but can damage the roof over time.
It may appear as an orange crust on a rock wall or as mint green patches on a roof.
It doesn t have the thick growth like moss and lichen and it looks like stains on a roof usually in streaks of black or sometimes green.
When leaves and other material collect on your roof a perfect bed is formed for moss and lichens to grow.
Moss itself is a plant while lichen conisist of a fungus and a photosyntheizing plant living together.
Lichen can be seen in a.