“We Clean Your Ugly Roof Stains” Durham Roof Cleaning is a Non-Pressure roof cleaning company that will make your black stained roof look like new at a fraction of the cost of a roof replacement. Durham Roof Cleaning services include Non-Pressure Washing of asphalt and fiberglass roofing shingles .. Non-Pressure Roof Cleaning of flat cement roofing tiles, Barrel, Clay, Slate, and Terra Cotta tile roof cleaning, steep residential and commercial shingle roof cleaning. Soft Spray, gutter, soffit and fascia washing .