Our teams of professionals have been serving homeowners and businesses throughout the Ottawa area for more than 26 years. Fortress Roofing and Siding specializes in all phases of roofing and siding as well as all exterior finishing processes. From roof repairs and roof replacements to maintenance programs and complete roof overhauls. Our trained professionals are dedicated to serving your needs in a timely manner, with an emphasis on quality craftsmanship, as well as a commitment to customer service excellence. We pride ourselves in being a “one-stop contractor” in the roofing and siding industry.