If you have a flat roof, your installer will consider two differing approaches to solar racking options. The biggest question is how many penetrations you want to allow to your roof when you install your solar panels on your home or business. The major problem with ballast racking systems is that they add a lot of weight to your roof. But if your roof can withstand the additional weight, a ballast solar panel mount is an approach you should consider. SolarDave presents this interview with Erik Bowman of IEC.