Midwest Improvement Services can remove those dark black streaks or green moss from you roof! We are dual certified roof cleaners in Ohio. Our roof cleaning certifications are from the Roof Cleaning Institute of America and the American Roof Cleaning Association. This is also the only method approved by the Asphalt Roof Manufacturers Association. We are also roofing contractors and can help you decide if your roof is past the point of cleaning and just needs to be replaced. Customer service and safety are our top priorities. Visit our website at www.mwimprovement.com or call us at 937 231 7249 for a free roof cleaning quote!!