Why Do Warehouse Roofs Leak? 7 Common Causes and How to Prevent Them Warehouse roof leaks can cause more than just a wet floor. Water intrusion can damage stored goods, equipment, insulation, electrical systems, and other building components. Over time, recurring roof leakage may also affect warehouse operations, maintenance costs, and the overall performance of the building. So, why do warehouse roofs leak? In most cases, warehouse roof leaks are not caused by a single issue. They can result from roof design, installation,