The primary flooring options guaranteed to be 100% waterproof include Luxury Vinyl Plank (LVP), Stone Plastic Composite (SPC) flooring, traditional ceramic or porcelain tile, and sheet vinyl. SPC and luxury vinyl floors utilize rigid core constructions and waterproof PVC or composite materials that prevent water absorption entirely, making them completely immune to swelling, warping, or moisture damage in high-humidity spaces like bathrooms, laundry rooms, and kitchens.