Dark Grey Concrete adds a cool, trendy concrete look – ideal for modern contemporary and design oriented interiors where an industrial touch is desired. The tile design is perfect for rooms where you want the look of ceramic tiles, but the warmth and softness of vinyl. With two tiles per plank, installation is both quick and efficient. For commercial applications where a glue down floor may be preferred, we recommend our Optimum quality level. Optimum floors are easily glued to a level subfloor using Pergo vinyl glue. This glue is of the highest quality and has been specially developed for use with Pergo vinyl flooríng.