Grandeur Supreme X Arctic Whisper luxury vinyl plank is a premium WPC flooring solution built for high-end residential and heavy commercial spaces. Featuring an 8.5mm WPC rigid core with a 1.5mm water-resistant cork underlayment, it delivers excellent comfort, thermal insulation, and superior sound control with IIC 73 and STC 72 ratings. The oversized 9-inch wide by 71-inch long planks create a seamless, modern appearance with fewer joints. A commercial-grade 0.55mm (22mil) wear layer protects against scratches, dents, and moisture, while the UV-coated matte finish and embossed-in-register texture enhance realism. Fully waterproof and approved for on, above, or below-grade installation, including basements. Installed using the Välinge 5G click locking system. FloorScore and GreenGuard certified, with matching stair nosings, reducers, T-moulds, and vents available at Squarefoot Flooring.