| 摘要 |
PROBLEM TO BE SOLVED: To easily execute attachment work for ceiling materials for the lower story side without requiring ceiling hangers by a method wherein a joist hanger is fixed to a horizontal member such as beam and a floor joist and a ceiling joist are installed respectively to the upper part and the lower part of the joist hanger, and upper story-side flooring materials are fixed to the floor joist and lower story-side ceiling materials are fixed to the ceiling joist. SOLUTION: A joist hanger 4 is arranged along the longitudinal direction of a beam 1 and the joist hanger 4 is fixed with nails at its upper part to the lower part of the beam 1, and an engaging part 6 consisting of the upside 4a of the joist hanger 4 and the upper part at the side 1b of the beam 1 is provided. Then, the first engaging part 13 of a floor joist 7 is engaged with the engaging part 6 while the second engaging part 14 is engaged with the engaging groove 10 of the joist hanger 4, and the floor joist 7 is supported with the joist hanger 4 with diagonal nailing made at the ends for fixation. The upper face 7a of the floor joist 7 is made flush with the upper face 1a of the beam 1. The engaging projection 15 of a ceiling joint 8 is engaged with the receiving groove 11 provided at the side at the lower part of the joist hanger 4 and supported with the joist hanger 4 with nailing made at the ends for fixation. |
