FLOOR HEATING DEVICE FOR TATAMI MAT

PROBLEM TO BE SOLVED: To provide an easily maintained floor heating device for a tatami mat which can be laid in a tatami mat room when replacing existing tatami mats or newly building a house by a simple structure. SOLUTION: The floor heating device is provided with a heat insulating structure 10 comprising an elastic material that does not easily deflect arranged on a floor face, embedded with a heat transfer pipe 12, and provided so that heat of the heat transfer pipe is radiated toward at least a top face side, the heat transfer pipe 12 embedded and arranged in the heat insulating structure, and a thin tatami mat body 14 arranged on the heat insulating structure with a tatami mat facing 34 arranged on a core sheet 32 to integrate the core sheet and the tatami mat facing. When a multifunctional material with a humidification function or the like is used in the core material, efficient floor heating such as thermosyphon, and a comfortable indoor living space can be provided. COPYRIGHT: (C)2004,JPO