This collection offers unique and innovative visuals on a vinyl that enhances durability. The extra-dense, Solid Polymer Core (SPC) features special top/bottom layers for stability and is made from a high-density composition for extra rigidity. The “Plus” is the attached cork underlayment. This underlayment provides added sound dampening, absorbs subfloor imperfections and naturally resists mold and mildew. COREtec Pro Plus Enhanced floors are recommended for both commercial and residential use, and can be installed in high-moisture and high-traffic areas. All floors in this collection are GREENGUARD GOLD Certified for Indoor Air Quality to help keep your home healthy and happy.