Bob Behrends Roofing is a highly rated, professional roofing company in Northern Colorado. When you need a new roof in Greeley, Fort Collins, Denver or anywhere in between, you can count on us. We offer new roof installations for your home, office, or commercial building from the top manufacturers, such as Owens Corning, GAF, and MuleHide. Bob Behrends Roofing is one of the few roofing companies in Colorado thats a Preferred Roofing Contractor of Owens Corning and a Tamko MasterCraft Pro Certified Contractor. We not only install new roofs in Colorado, we also repair them. We offer free roof inspections and estimates, a 5-year workmanship guarantee. Asking for no money up-front ensures your complete satisfaction.