http://www.cedarshakesroofcleaning.com/ Cedar Shakes Cleaning | Cedar Roof Cleaning - Welcome to Sullivan Roof Cleaning!
We are based in the Des Moines, Iowa area and we service the whole midwest specializing in cedar shakes roof cleaning.
For some great tips on cedar shakes cleaning - http://www.cedarshakesroofcleaning.com/category/cedar-tips/