According to roof repair professionals, a commercial roofing system can be challenging to care for compared to residential roofs. This is thanks to the fact that they’re larger and they lack a slope that lets rainwater run off the roof easily. As such, it’s vital that you have a professional maintain your roof every now and then. Unfortunately, some property owners fail to keep up with their commercial roof’s maintenance needs, causing it to sustain damage as a result. But how exactly can one tell if their commercial roof has been damaged?