Roof tile cleaning

The dark stains on your roof are caused by "blue-green" algae, aka Gloeocapsa magma, environmental black mold, and mildew. These organisms are mother nature's recycling team, they decay and break down building materials, such as your roof, just like a fallen tree or an abandoned structure. Additionally, Most people don't realize that these organisms cause most forms of exterior dry rot that occur on wood surfaces including patio covers and home fascia trim. They can literally EAT you out of house and home!

Growth of these organisms usually starts on shaded, north facing areas of the roof. As they grow, rain and dew moisture is trapped and causes their growth process to accelerate. This is the reason that roof stains get worse over time and won't "go away when it rains" These organisms are transported mostly by wind and rain. The damage cause by this trio causes home owners to spend tens of thousands of dollars having their roofs replaced. Appearance of Ugly roof stains are not the only issue, mold,mildew and algae also destroy the roof. Among other forms of damage, the protective granules of shingles are removed by mold. These unsightly creatures stain the roof and cause the roof to be replaced earlier than necessary. They also cause leaks on other structural elements of the roof that have to be repaired.