THIS HPD COVERS THE FOLLOWING COMMERCIAL MULTILAYER SPC COLLECTION MADE IN THE U.S.A.: Cover + Envelop and Terrain II. BOASTING A TONGUE & GROOVE, RIGID CORE CONSTRUCTION, THESE STYLES OFFER SUPERIOR DIMENSIONAL STABILITY AND A WATER-TIGHT INSTALLATION. THE EXOGUARD+ FINISH PROVIDES SUPERIOR DURABILITY AGAINST SCRATCHING AND ABRASION IN DEMANDING ENVIRONMENTS.