Skylights are both beautiful and functional, but they are sometimes susceptible to leaks. They are actually the top roof leak repair in residential homes. Not only is a leaky skylight not visually appealing, but it's also an indicator that hidden problems and damage are probably lurking. If you notice moisture around your skylight, you'll want to diagnose and fix the problem as soon as possible. You may just have a minor problem on your hands, or you may have a really major one. You won't know until you act on it.