If you're looking for a new roof but don't know where to start, we can help! Our team has experience installing all kinds of roofs—from asphalt shingles to metal roofing systems. The hierarchy of controls has five levels of actions to reduce or remove hazards – elimination, substitution, and engineering controls are among the preferred preventive actions based on general effectiveness. OConnor Contracting is a Buffalo-based roofing contractor serving all of Western New York. If your roof is beyo...