Northern Virginia Roof Cleaning – How Long will a Roof Stay Algae Free?
September 14, 2009 by roofrealclean
Filed under Roof Cleaning Information
One of the questions we are often asked by customers is how long will their roof stay algae and fungus free after a professional roof cleaning. There are actually several factors that determine how long a roof will remain clean of unsightly algae and fungus growth.
Algae and fungus must have three nutrients to grow which include:
Heat
Moisture
Organic [...]