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At Chuck Bergman Pressure Washing & Roof Cleaning, we can pressure wash your House, Pool Area, Decking, Driveway, Dock, Screen enclosure etc. We just don't pressure wash roofs, we chemically clean roofs.
That is how the roofing manufacturers specify that they be cleaned.

We are a father & son only business, so no work crews and trainees on your properety with us! Just 2 professionals!

Here is a 2 minute video and you can watch a large portion of this blackened tile roof come clean before your eyes.
http://www.tubechop.com/watch/474113

We cleaned this roof a couple of weeks ago. We also pressure washed their house, pool area and driveway. You can see the difference in the driveway a little. I wish I had taken more of the pressure washing, before and after photos.

Also, here are pictures of before and afteron the roof.
This was originally a 10 minute video, I cut it to 2 minutes.
The 10 minute version is on YouTube. If you want to see just how much black algae discoloration there was, you should watch the 1st 10 seconds.
It has some close ups.

http://www.youtube.com/watch?v=WPCtVUu3Si0&feature=plcp

-- Edited by Bergman Roof Cleaning Port Charlotte FL 941-698-1959 on Sunday 26th of August 2012 12:32:43 PM