Gentech Roofing is a proudly Canadian, family owned and operated business. After 30 years of service in G.T.A and surrounding areas, we feel confident that we can cater to your needs. We get the job done and we don't just meet expectations; we exceed them. Our customers keep coming back because we're dependable, knowledgeable, and pleasant to work with.Our employees provide unmatched service delivering top quality service for your commercial/industrial flat roofing needs. Each is committed to personal and professional service. In keeping with this commitment, we're not satisfied until you are. Aside from our amazing staff, we take the time and care to make sure even the tiniest detail is managed, in every circumstance. There really is no other way. more... See more text