Comment: Portions of my roof have a black mildew stain, not the entire roof, just in patches mostly on the front and north side of the roof. The shingles are either ashpalt or tar and grit.
Comment: I simply need someone to sweep the leaves and other debrie off of our expensive asphlalt shingle roof. Normally, I would do it myself, but since I will be 71 yeasr old this month, my dear wife will no longer allow me to go up on our roof.