| 摘要 |
PROBLEM TO BE SOLVED: To provide a floor heating structure employing a safety floor structural member in which installation time can be shortened. SOLUTION: The floor structural member 30 comprises upper and lower plates 36, 37 having an yield strength against a specified floor load, and planar heaters 32A-C sandwiched between the upper and lower plates 36, 37. The planar heaters 32A-C have the same shape and spaced apart by a length slightly longer than the width of joist and the temperature thereof is self controlled not to exceed a specified level. The upper and lower plates 36, 37 cooperate to define small chambers 40A-C for containing the planar heaters 32A-C while clamping and the upper and lower plates 36, 37 are bonded through adhesive. The floor structural member 30 can be carried to an installation site of floor heating structure and the floor heating structure can be installed by hammering nails from above between the adjacent small chambers of the floor structural member 30. Consequently, the installation time can be shortened significantly and the possibility of firing the floor heating structure is eliminated.
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