| 摘要 |
The present invention relates to one or a plurality of multipurpose channels (3) which are placed inside roof panel (A) and facade panel (B), which are used as roof, facade coating material or dividing wall, during production step. By means of this channel (3) or channels (3), the carrying capacity of both roof panel (A) and facade panel (B) will be affected positively, and the roof panel (A) and the facade panel (B) can be used as a part of the systems for fire extinguishing, providing resistance against fire, heating, cooling, air conditioning, acoustic and decorative, cabling which provides audio, light, visual, information and electrical conduction. |
