| 摘要 |
Retaining element 1 has an engagement section 22 incorporating a head section 2, for flanging a free end of roofing sheet 3, and an extended section 5, a base section 4 with means 36 connecting base section 4 and engagement section 22. Base section 4 is mounted on a support section, not shown. Means 36 are manufactured from thermally insulating material. |
