During the past year, we have taught soils classes in several states. Some states or counties require installers to take a soils identification course in order to get a license or permit to install systems.Needless to say, at least some installers ask why they need to go through the same soils information as the site evaluator and designer. Our typical response is that as the installer, you are the person the homeowner relates to most closely, and so you will be the first person called or sued if there is a problem. You need to be able to recognize if
