| 摘要 |
<p>PURPOSE: To easily perform construction work without performing field work. CONSTITUTION: A positioning material 20 whose end part is cut off so as to form a slant face 22 running along a roof pitch, is sandwiched between two beam materials 21, and a ceiling beam 2 is formed. A rafter 61 of a roof panel formed as a panel is inserted into and fixed to a groove part 23 formed of these two beam materials 21 and the slant face 22 of the positioning material 20.</p> |
