SPC (Stone Polymer Composite) is a revolutionary new flooring product consisting of extruded stone. SPC has an array of new features, not found in any other composite flooring product category. SPC is 100% waterproof. It is considered as an upgraded version of vinyl flooring. SPC is set apart from other types of vinyl flooring by its uniquely resilient core layer. This core is made from a combination of natural limestone powder, polyvinyl chloride, and stabilizers. This provides an incredibly stable base for each flooring plank. The floors look like any other engineered vinyl floors, with the core completely hidden underneath.