| 摘要 |
This invention relates to copper sheeting for building purposes, particularly for roofing purposes. The sheeting is characterized in that it comprises non-remelted cathode copper or electrolytic copper produced in dimensions suitably restricted for the purpose intended. The sheeting suitably has a thickness of 0.5-1 mm, preferably 0.6-0.8 mm, and a length/width of approximately 2 m x 1 m. |
