1. UV Coating – The UV coating protects against excessive wear,provides superior cleanability, provides superior stain resistance. 2. Wear Layer – The wear layer is the top coating on the vinyl floor that is transparent. This adds scratch and stain resistance to the vinyl plank. 3. Decor Film– Each SPC vinyl floor will have a thin layer of vinyl attached to it. This layer is waterproof and will contain the pattern, texture and look of the floor. 4. SPC Core – The SPC core is made by combining limestone powder and stabilizers to create a dimensionally stable and waterproof core. 5. Underlayment – SPC vinyl floors may or may not come with attached underlayment. These are usually included to help with sound reduction and add softness to the floor.