DRICORE® Subfloor is a simple do-it-yourself solution to help you create a warm, dry, comfortable basement that is fast and easy to install. DRICORE® Subfloor is designed with a high density plastic membrane containing a patented air gap pattern to ensure moisture emitted from concrete floors can naturally evaporate. The secondary layer of oriented strand board (OSB) provides a solid foundation that can support any type of finished floor and furniture.