Optimal 18mm outdoor porcelain tiles are perfect for patios, terraces and pathways in your garden. Available in 3 different colours, this large format range helps to create a seamless and impressive outdoor living space. With distinctive but varied colour blend, Optimal creates a modern and contemporary appearance reminiscent of polished concrete. Slip resistant and easy to clean and maintain, this range is The large format of this range helps to create a seamless and impressive outdoor living space.