Our Waterproof Garage Wall Panel Roll is a HDPE (high-density polyethylene) plastic that provides a smooth, durable, waterproof and puncture resistant lining to your garage wall. This commercial grade plastic is easy to cut, and easy to clean. It can be used both vertically or horizontally. The waterproof garage wall panel roll can be used in both hot and cold climates. It is available in 60 mil - 100 mil thickness options and in various roll width options. This product is made in America. Material Thickness:60 mil = 1/16”80 mil = 5/64”100 mil = 3/32”