| 摘要 |
There is described a method for passing through a wall or ceiling with elements such as electric cables, ducts, pipes, etc., whereby said wall has at least one passage opening for said elements or such an opening is made in said wall, which comprises making use of a cushion which is fireresistant enough, at least one surface of said cushion is covered with a fire-proof compound, said opening is closed with said cushion, a flange from fire-resisting material is arranged against at least one cushion surface for each element or element group, in such a way as to surround the element or element group, and the hollow space remaining inside the flange is filled with a fire-proof material. |
