In South Florida we are exposed to different types of weather conditions. It is no secret that every commercial and residential buildings take a year-round beating from dust, algae, insects, ultraviolet rays and many other contaminants that are carried to that wonderful air breeze we all enjoy. All of this harmful contaminants causes those black streak we are all familiar with. This bacteria accumulates over time and as it feeds over the one thing that we have a lot of in Florida which is humidity. Humidity promotes their spread especially in shingle roofs as they have limestone which acts as a filler. Unfortunately they help hold most ire and it becomes organic food. Every building structures benefits from a regular power wash as it not only creates a healthier environment, but it helps create a better curve appeal as well as increases the value of the property for been well kept.