| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide the supporting structure of a roof having the excellent design of a garret even when a beam made of steel supporting the roof is installed to a building frame under the state, in which there is no ceiling. SOLUTION: Roof panels 1, 2 laid on a building frame 8 are supported by installing the roof panels 1, 2 to a beam 4 made of steel fixed onto the building frame 8 under the state, in which there is no ceiling. An upper space in the building frame 8 can be ensured widely by covering the beam 4 made of steel with a facing 6 while sticking plaster boards 7 on the rears 1b, 2b of the roof panels 1, 2 at that time, and a garret 89 is designed preferably because spaciousness can be imparted to the user of the space while the beam 4 made of steel is not exposed to the outside in the garret 89 having no ceiling.</p> |
