Porcelain tiles are denser than ceramic tiles. This quality makes them more durable, less absorbent and a good choice for outdoor use in climates with cold weather. ... Porcelain tiles can be very slippery, especially when wet. We recommend the following product to help make your porcelain tile floor more slip-resistant. Acid-Resistant, Wear-Resistant, Antibacterial, Heat Insulation, Firebrick, Non-Slip