Established in 1943, family owned and operated Ottawa Valley Roofing is in its 4th generation, currently overseen by Sam, who has over 20 years experience in the roofing industry. Ottawa Valley Roofing has been using the E.P.D.M roofing system since 1982 and stays up to date and in close relation with Lexcan, the manufacuter of the E.P.D.M roofing system. more... See more text