Cosam Contracting, Inc. has been servicing the roofing needs of Ohio and other states since 1985. Customer satisfaction of a well-installed roof is the driving force of our business, a lot of our work comes from previous customer references. We have licensed technicians who are fully-insured to protect you and your business / property. Cosam Contracting provides our technicians with current training and our managers have multiple licenses to guarantee the knowledge behind the work. We don't just put on a roof. We craft a roof to suit your budget and your needs. Quality Construction Using the best materials available is what gives Cosam Contracting the leading edge in the current technology era. We don't skip any steps. We take the time to do it right while staying on track to finish your roof as efficiently as possible, and with the least amount of disruptions. Your new roof begins with you - Call us today to set up your free inspection!.The Duro-Last prefabricated single-ply roofing system is ideal for virtually any commercial or industrial, flat or low-sloped application. The highly-reflective white membrane delivers real energy cost savings for building owners and managers. Extremely durable and easily installed without disruption to daily operations, the Duro-Last roofing system is also leak-proof, resistant to high winds, and virtually maintenance-free.