Pro Plus XL planks enhance the visual aesthetics of the space while featuring all the class-leading technology that makes it exceptionally durable. Long boards offer a high-end look similar to real hardwood. These extra-long planks bring an impressive scale to the stylish appearance of COREtec while providing exceptional durability for high traffic residential, or even commercial use. All COREtec floors are 100% waterproof and can be installed in wet areas without any swelling or warping when exposed to water and the floors will not expand or contract due to temperature or humidity under normal conditions. The rigid core features special top and bottom layers for stability, and is constructed from a high-density composition for extra rigidity, providing superior dent and impact resistance.