Shop SMARTCORE By COREtec Floors Hearthside Hickory 12-mil x 5-in W x 48-in L Waterproof Interlocking Luxury Vinyl Plank Flooring (18.35-sq ft/ Carton) in the Vinyl Plank department at Lowe's.com. Bring it on. With SMARTCORE by COREtec Floors, every day life has met its match! Water? No worries! SMARTCORE is 100% waterproof. Plus, it's built by COREtec