Get authentic hardwood in places where it couldn’t be enjoyed before. This 6mm x 6 1/2in. AquaGuard Light Brown Walnut Wire Brushed Water-Resistant Engineered Hardwood is backed by a lifetime res./ 15 yr comm. warranty. It can be used in any room in the house, including kitchens, mudrooms, full bathrooms, or basements. •Up to 24 hours of water resistance. •You can install it right away—Pre-installation acclimation is unnecessary. •Install up to 4,000 square feet—no need for transition molding. •Quick and easy locking installation. •This product is 6mm x 6 1/2in. It is recommended to use Sentinel Protect Plus Underlayment for optimal sound absorption and moisture resistance or a standard vapor barrier like 6mil PE Film.