On tall buildings the core leads the frame. Slip-form, jump-form and climbing-form cores let the stair and lift shafts rise ahead of the floors, stabilising the building and protecting the floor-on-floor cycle. Our contractors plan core strategy as part of the wider frame programme.
What This Package Covers
- Jump-form and climbing-form cores
- Slip-form for tall, repetitive shafts
- Stair and lift-shaft construction
- Core-to-slab connection detailing
- Stability and temporary works during the lift
When It’s the Right Choice
- High-rise residential and commercial towers
- Buildings where the core provides primary stability
- Programmes that need the core ahead of the floors
Frequently Asked Questions
When is jump-form worth it?
Jump-form pays off on taller buildings with repetitive cores — usually from around 8 to 10 storeys upward — where the faster, safer core cycle outweighs the formwork mobilisation cost.