| 摘要 |
A prefabricated fire sealing lead-through body (1) for one or more conduits (32) through a wall, for example. The body comprises a casing (2) with elastic fire retardant foamed material (4) disposed therein, said material being kept in the casing and compressed transverse the longitudinal axis there to for sealingly surrounding the conduit or conduits. During casting the building element, one end of the casing is fastened to a fastening element (10) attached to a contiguous shuttering wall (7). The fastening element remains in the building element after the shuttering wall has been taken down.
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