What you see on your roof is not dirt!
The blackness is actually mildew that lands as a spore, germinates and then grows using the roofing surface as a nutrient. Green mildew will always appear initially on the north side of your house and roof in Florida. This is because moisture stays there longer and mildew needs three things to grow: moisture, heat and some sort of nutrient. The humid, rainy climate here in Florida is ideal for Green Mildew and Black algae growth! Other variables besides the direction your house faces are the type, grade and manufacturer of your roofing shingles or tiles, whether your have a pond or swimming pool nearby creating abundant moisture and hot/humid weather here in Florida. Continuous warm humid weather in Florida promotes mildew growth. Shade on your roof provided by nearby trees can promote mildew growth due to increased moisture, as well as leaves and pine needles that sit on your asphalt shingle or barrel tile roof extended periods of time.
Why Should I Clean My Dirty Roof?
Besides being an eyesore, a mildew-covered roof in Florida can actually be unhealthy to some people with allergies. Over time mildew and black roof algae can breakdown the shingle or tiles and dramatically shorten the life of your roof. A mildew-covered roof also keeps under rood temperatures a lot higher by preventing the reflective capabilities of your shingle granules or tiles from doing their job. These higher temperatures make your air conditioner work a lot harder and increase your electric bills sometimes as much as several hundred dollars a year. Finally, homeowners associations here in Florida are becoming more abundant, primarily to maintain and enhance value of the individual homes and neighborhoods. The main reason homeowners want their cleaned in Florida is to keep them looking clean and new.
A-1 Pressure Washing & Roof Cleaning specialize in Safe "no pressure" Asphalt Shingle, Barrel Tile, and Metal Roof Cleaning. RCIA trained technicians. FREE, no obligation estimates
A-1 Pressure Washing & Roof Cleaning - 941-815-8454
Serving Sarasota, Charlotte, Manatee, and Lee counties since 1996
Non Pressure Shingle, Tile, and Metal Roof Cleaning With Algae Prevention
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