Snow guards are great to have, especially if you live in a snow prone area. Snow guards are as unique as the roofs they are on. That is why you have to choose the right snow guard for your roof. For example, you have tile roofs, slate roofs, and shingled roofs. You even have metal roofs and cedar roofs.The snow guard that you use has to fit that particular type of roof. There are certain snow guards that are designed to fit this type of roof.