According to the Insurance Bureau of Canada, water damage has surpassed fire as the leading cause of personal property loss. There are many causes for sewer backflow from tree roots growing into pipes, old and broken pipes to common clogs caused by hair, cooking grease, coffee grinds, Q-tips, paper towels..just to name a few. SENTINEL is inexpensive and installs in just a couple of minutes. It guards your drain and could save you thousands of dollars in loss and damage. Ask around and you’ll find out that sewer backflows happen more often than you think.