Drop heads allow slab formwork to be struck early without removing the entire supporting structure. Props stay in place while beams and formwork facing can already be moved on. This reduces material requirements, speeds up construction and improves cost efficiency, a clear advantage for shell construction and formwork contractors.
Drop heads
Advantages of drop heads in the formwork process
- Early striking and faster cycle times
With drop heads, slabs can be relieved as soon as the concrete has reached the required minimum strength. This saves material and allows shorter construction intervals.
- Resource-efficient use of material
Because beams and formwork facing can be moved on earlier, the need for additional formwork material drops, a decisive factor on large series projects.
- High compatibility and simple handling
Drop heads combine with common props and slab formwork systems. Operation takes only a few movements, safely and clearly structured.
Areas of use for drop heads
- Slab formwork in building and shell construction
- Series construction and staged slabs
- Projects with tight schedules
- Projects with large slab areas
- Use in combination with classic props and beams
Overview of different drop heads
Standard drop heads
For typical prop and beam connections in slab formwork.
Early-striking drop heads
Optimised for particularly efficient striking processes.
Heavy-duty drop heads
For areas with increased requirements.
System drop heads
Matched to specific formwork or prop systems.
CETRAC Parts + Service:
- Locking pins
- Retaining elements
- Connection plates
Drop heads: pros and cons
Advantage | Disadvantage |
| X additional component, increases system complexity |
| X incorrect operation can affect the striking result |
| X system-dependent in many formwork systems |
| X more planning needed for cycle times |
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FAQ: drop heads
What are drop heads used for?
To lower the load point so that slab formwork can be struck early.
Can I use drop heads on any prop?
No, connections are system-specific and have to match.
What does early striking achieve?
Shorter standing times → faster construction sequences → more efficient use of material.
Can drop heads carry loads?
Yes, but only within the system approval.
How are drop heads operated?
Through defined drop mechanisms, depending on the system in use.
Are early-striking drop heads always worthwhile?
Above all on large areas and with repeated cycle times.