Shuttering for casting an opening through a ceiling

摘要

The shuttering (1) for the sealing of a ceiling penetration (2) which has been prepared for the routing of one or more utility lines comprises a frame (14) and a support device (16) installed in the frame opening, and at least one flat sealing element (18) supported by the frame and the support device. The size of the frame is adjustable to the dimensions of the ceiling penetration. The frame is formed from profiles which are adjustable in relation to one another. An independent claim is included for a construction kit for the building of a shuttering used for the sealing of a ceiling penetration.