What is Twinwall and Multiwall polycarbonate sheeting? Polycarbonate sheeting presents itself as a leading material due to its durable and rigid structure. Typically polycarbonate sheeting is formed into a sheet by an extrusion process. Its impact resistance is 250 times that of glass and surpasses many other plastic materials such as acrylic. Essentially, it’s virtually unbreakable. … Continue reading Polycarbonate Sheeting: Twinwall or Multiwall?