Roof Damage From Algae

If your home has a highly reflective roofing system algae growth can affect the roof s ability to reflect sunlight.

Roof damage from algae. If the algae have only damaged a couple of shingles then repairs can fix the problem. 8 ways roof algae can affect your roof appearance. They re likely to damage the shingles just be sure to wet your foundation plantings first and rinse everything in clean water when you re done. If your roof serves as an energy efficient system this could end up costing you additional money in terms of heating or cooling bills.

One of the first problems homeowners experience with roof algae has to do with appearance. Algae and lichen. Unlike algae moss and lichens do damage roofs both by holding water on the roof and by the mechanical damage to the roof s protective coating or mineral granules caused by both their roots and in freezing climates by the freezing action of water trapped within the roof coating by those invaders. 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.

See lichens on roofs for an example. Moss can damage shingles especially asphalt and wood shake shingles. If you re trying to sell your home you may run into issues if you have roof algae. No pressure washers please.