| 摘要 |
PROBLEM TO BE SOLVED: To enhance the utilizing efficiency of solar energy by providing a solar battery cell and a pipe for passing a heat medium. SOLUTION: This roof material 1 is formed of a metallic roof material body 2, a solar battery cell 3 mounted on the surface side of the roof material body 2, and a pipe 4 for passing a heat medium which is mounted on the reverse side. The roof material body 2 is formed of a lengthy folded plate having mountain parts and valley parts alternately and continuously formed. The section of the mountain part is set to a curved surface protruded upward, and the solar battery cell 3 and the pipe 4 are mounted on the mountain part. |
