I saw the other day that my friend was having someone do a roof cleaning for her house. She talked about the results after it was done and the people got all of the stains off of her roof. It looks much better now and she says she feels much better even just walking up to her house. I think that I might look into someone doing a roof cleaning for us soon because I think our roof has been very dirty for a long time. I think that I will have to way the cost a lot though because we are trying to save money.