COREtec Pro Plus XL Enhanced has a Solid Polymer Core (SPC) gives this pet and waterproof floor an extra rigid construction. The Pro Plus XL Enhanced collection features extra-long planks for a grand sense of scale plus enhanced painted bevels for ultra-realistic wood looks. It is a product that is designed for both light to medium commercial and/or residential use so, you can have increased durability, but at a lower price point. A 30% thinner rigid core Jakarta Hickory is 100% waterproof and will not swell under normal conditions. COREtec Pro Plus XL Enhanced Jakarta Hickory is a favorite of contractors because of its affordability and because it can be installed over an existing floor. COREtec Pro Plus XL Enhanced has achieved certification for air quality. The large 9'' x 72'' x 5.2 mm planks use the Angle Tap locking system for the easiest glue-free installation.