Congratulations! You are about to install hydro stop the no.1 waterproof flooring, and it comes with a pre-attached pad so you won’t need extra underlayment. Welcome to the ultimate and newest generation of vinyl floor available on market. Backed with floor score certificate the top of all flooring tech awards! SPC also known as rigid core LVT, is an upgraded click floating luxury vinyl plank. This amazing product features: enhanced stability, high performance, 100% virgin material and 100% waterproof thanks to hydro stop a scientific technology that completely repel water on planks surface.