DRICORE. Subfloor R+ is the first and most important step towards creating a new living space as warm and comfortable as any other space in your home. DRICORE. is the one-step engineered subfloor solution that is specifically designed for basements. Concrete continually releases moisture. DRICORE Subfloor R+ panels have been designed with air gap technology to keep basement floors dry, comfortable and cozy throughout the entire year. DRICORE. Subfloor R+ combines high density Oriented Strand Board (OSB) and extruded polystyrene (XPS). With an R-Value of 3, DRICORE. Subfloor R+makes floors feel warmer. Enjoy a warm, comfortable basement for years to come! XPS' closed-cell structure resists moisture and maintains R-value. DRICORE. Subfloor R+ panels are fast and easy to install; a typical 500 square foot basement installs in an afternoon.