Gary talks to Brian Cross from Rocky Mountain Snowguards about the dangers of snow accumulations on roofs. They discuss how snow retention systems can prevent snow avalanches, which can cause damage to homes and even lead to fatalities. Brian shares his expertise on the importance of friction on roofs and how snowguards can increase it. They also touch on the issue of ice dams and how snowguards can't eliminate them, but can help with prevention. This conversation is a must-listen for anyone living in snowy climates.