Sometimes the design of a home includes a flat roof and after a home has stood for several years, it might be time for a roof repair if there are leaks or other areas of weakness in the area. Depending on the location of the home, the weather can certainly impact whether a roof will be able to last a few years or a few decades. In a place like Fairfax Virginia, the humidity of the area might impact the strength of a roof, especially if it is flat. The more a roof is negatively impacted, the more expensive it becomes to fix and maintain.