| 摘要 |
The present invention relates to a wall fixed board of a clean room. The present invention comprises: a pair of vertical walls wherein a wall is inserted into an inner side of an upper portion and a fixing end is fixated in a bottom surface in a lower end of a lower portion; and an airtight means formed to protrude in the lower direction of the fixing end of the vertical walls to be in contact with the bottom surface and to maintain airtightness, thereby stopping up a crack between the fixing end and the bottom surface of the vertical walls. Thus, the wall fixed board of a clean room can prevent moisture, dust, a foreign substance, even an insect, and the like caused by the crack from flowing in, and further, can prevent various bacteria, the propagation of fungi, even an insect from inhabiting the crack. |
