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PRECAST CONCRETE ELEMENTS186 CPI %u2013 Concrete Plant International %u2013 5 | 2025 www.cpi-worldwide.comSolutions for wall-slab transitionsFor transitions between wall and ceiling elements, the B%u00b2 range offers end nozzles and transition nozzles, wall and slab elbows at a 30%u00b0 angle, wall and slab joints at a 90%u00b0 angle with resealable lids, and signal bristles for easy finding on the concrete surface. These components, too, are equipped with a receiver for the System Magnet to allow a secure and flush hold on the steel formwork surface. Their stable lateral snap-in contours enable a secure connection of several wall and slab transitions.In addition, these items offer alternative ways of attaching to formwork. They can be attached using hot glue or steel nails. For overhead installation in solid wall elements, Prefix universal supports can be used.The optimal radius of the wall and slab manifolds as well as the precisely fitting pipe holders avoid protruding edges at transitions and thus guarantee the flexible pulling in of cables from both directions.Simple and secure adjustment to the required wall thickness for solid wall elements and double walls. The innovative Prefix universal support (1261-00) enables simple and fast processing of overhead electrical installations in solid wall elements. The new wall and slab transitions for factory production each have two opposing stable mounts for the Prefix universal support. For wall and slab transitions, several components are available, including end nozzles and transition nozzles, wall and slab elbows at a 30%u00b0 angle, and wall and slab transitions at a 90%u00b0 angle with resealable lids. Application examplesExtension element 48.5 mm