Your Roof? would you rather replace it/or clean it? The answer should be one of monetary value. Cleaning your roof on average costs you about $350 dollars while replacing your roof costs between $11,000-$17,000 dollars, according to costhelper.com
The amount of cleaning depends on your area, but really though King county is ripe for algae growth we are in the national danger zone for moss growth. Whether it direct sunlight or in shade. PWNG offers up to a 3 year warranty on roof cleaning. Not only is that unheard of in our area, but we are the only company locally that is a member to the RCIA, which sets a standard for roof cleaning. Always remember that when asking for a price quote from a contractor to ask them whether they will pressure wash your roof. Read some of our previous posts to find out why you should never pressure wash a roof.