To provide a floor heat-insulation structure having a floor heat-insulation board of which both ends are hanged on neighboring sleepers 4 and 4 so as to be inserted between neighboring floor joists 5 and 5, capable of preventing a heat insulation loss caused by presence of the floor joist 5.
A floor heat-insulation board 1a includes a central portion having a thickness larger than the height of a floor joist 5, hanger portions 2 and 2 composed of upper portions of both ends with cut-out lower portions for hanging on sleepers 4 and 4, and an extension portion 3 composed of a lower portion of one side edge with a cut-out upper portion for insertion into contact with the underside of the floor joist 5. In a floor heat-insulation structure, a plurality of the floor heat-insulation boards 1a with extension portions 3 arranged in the same direction and with hanger portions 2 and 2 hanged on the neighboring sleepers 4 and 4 are inserted between the neighboring floor joists 5 and 5, such that the extension portion 3 is inserted into contact with the underside of one of the neighboring floor joists 5 and 5.
HIRAKAWA HIDEKI
KIMURA YOSHIHARU
MATSUMOTO TAKASHI
| JPS55143307U | 1980-10-14 | |||
| JPH0578721U | 1993-10-26 | |||
| JP2001011972A | 2001-01-16 | |||
| JP2007321532A | 2007-12-13 |
Yoshihiro Yamaguchi