40 x 80 5mm Sheet Storm Gray Brushed - 1016mm x 2032mm x 5mm SeaDek Sheet Material is perfect for all types of DIY projects. Available in a variety of colors, these 5mm thick sheets feature our brushed texture for maximum comfort underfoot and exceptional non-skid properties. Brushed Sheet Material is 40x80 and easily cuts with a sharp razor knife, SeaDek sheet material is perfect for many different applications, including: seating, cooler tops, decking, and polling platforms-the possibilities are endless! SeaDek Sheet Material is backed with our 3M pressure sensitive adhesive to provide an easy peel-and-stick application.