Resolve Rigid Core Flooring is 100% waterproof and perfect for any area in a home or business. It is designed to withstand all elements of life. It's excellent for installation in areas with moisture problems. It's the perfect solution for families and businesses alike wanting a beautiful floor that is designed to withstand the rigors of kids, pets, and patrons. SPC Stands for Stone Plastic Composite. The main component of the core is lime stone (calcium carbonate) + PVC Powder + Stabilizer. Different from the regular vinyl floor (LVT), there is no plasticizer inside, so it is more environmentally friendly. The SPC core is finished with a strong UV Coating, abrasion resistant paper and decorative paper film creating a beautiful and strong floor.