| 摘要 |
The invention is a fire-rated access door (10) for a duct (8). The door comprises at least one fire-rated panel (26) comprising a layer of composite material, the door comprising a blocking wall (14), the panel being fixed to the wall by means for removable attachment, for example by at least one screw assembly (18, 20, 22, 23, 28), the means for removable attachment preferably comprising the same material as the panel (26). |
