The RAUPANEL system of radiant heating consists of 3/8-inch RAUPEX® cross-linked polyethylene (PEXa) pipe, aluminum panels and wood return bends. The system's low 5/8-inch profile has minimal impact on overall floor height. Flexible pipe spacing (6- or 8-inch on-center) makes it well suited for a variety of installations. The system is compatible with commonly used floor coverings.