AER LLC.offers many designs of snow guards that will fit the majority of roofs panels on the market.now loading is determined by factors influencing snow and ice accumulation on the structure, and vary considerably by geographic location. The fact that a roof has endured many winters of heavy snow does not mean it will last indefinitely.
Roofs of most older buildings were built with little or no insulation, so snow melted fairly quickly and roofs carried snow loads for very brief periods.
