| 摘要 |
In an insulating slab preferably consisting of polystyrene and intended for insulating walls, floors, ceilings of buildings or the like, it is proposed, in order to obtain ventilation for carrying away moisture, to provide through ventilation channels (8), these ventilation channels (8) running inside the insulating slab (1) parallel to the inner and outer face (4, 6) and at a distance therefrom. <IMAGE>
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