Logix-D-Rv is a precision molded slide-in panel that delivers additional R-value and an interior drainage system. When an additional drainage layer is specified for an ICF wall, Logix D-Rv is a cost effective method of choice and provides an additional R8 of thermal performance. Tested to have 96 percent drainage efficiency (95 percent without stucco finish, 96% with stucco finish). Logix-D-Rv boosts the total R-value of a typical Logix wall assembly.