Flat roofs are particularly tricky to do and have become a specialty for J. Stewart Roofing Ltd. (For further details check out the newspaper article from the Toronto Star on this website. It is vital to gain real knowledge of the materials & techniques to not get stuck in just one way of doing things and stop there. Larry and John know how important it is to always keep up with the new roofing materials being invented and how they actually work in the field. In this way they have gained a greater library of knowledge on which to draw from, enabling them to know what combination of materials best for each unique customer's job are presented to them. more... See more text