For many years, flat roofs have been a logical implement for certain types of buildings. If you own a commercial building or have a unique home that has a flat roof, you probably already know that your flat roofing can be a little needier than traditional roof shapes. The shape and function are fairly simplistic and the roofing itself is straightforward, but to prevent ongoing problems, you have to be attentive to maintenance and issues that your flat roof can have. Take a look at five of the most common flat roofing problems.