But one plant life you don t want to see on your roof is gloeocapsa magma a blackish algae that thrives on moisture seems to have an affinity for material used in some roofing products.
Roof damage from algae.
However if the algae have penetrated deep into the roof affecting most of the roofing tiles or if your roof is old and in need of a repair generally then a roof replacement is probably more suitable.
8 ways roof algae can affect your roof appearance.
One of the first problems homeowners experience with roof algae has to do with appearance.
If your roof serves as an energy efficient system this could end up costing you additional money in terms of heating or cooling bills.
If your home has a highly reflective roofing system algae growth can affect the roof s ability to reflect sunlight.
The less expensive solution is to spray wash the roof with a 50 percent mix of water and bleach to get rid of the algae.
Roof algae are signs.
Algae and lichen.
No pressure washers please.
If you re trying to sell your home you may run into issues if you have roof algae.
Moss can damage shingles especially asphalt and wood shake shingles.
If the algae have only damaged a couple of shingles then repairs can fix the problem.