Is your  Roof Stained with Algae, lichen colonies or Moss? Roof Cleaning Virginia Roof Cleaning Northern Virginia can bring back that lost curb appeal and as an extra bonus it will last longer, and save you energy cost . There are several major problems associated with Roof Moss, Algae, Lichen colonies, Mold and Mildew growth on shingles:  appearance, shortened roof life, [...]