Drophead Early Stripping Alu Skydeck Formwork System For High Rise Building
The Alu Skydeck Formwork System is a lightweight aluminum panel slab formwork system widely used in residential, commercial, and real estate development projects worldwide. Designed with an innovative drophead (early striking) mechanism, this system allows formwork panels and beams to be removed after just one day, while the dropheads continue supporting the concrete slab until it reaches full strength.
Compared to traditional timber or steel slab formwork, the Alu Skydeck system offers faster cycle times, fewer props, and significantly lower labor costs, making it the preferred choice for high-rise building construction.
- Drophead Early Striking System - Formwork can be removed after 24 hours; dropheads remain to support the slab. A single hammer blow lowers the formwork by 60mm for quick striking.
- Ultra-Lightweight Components - Each panel and main beam weighs only ~15.5 kg, enabling one-person handling without cranes.
- Very Low Prop Density - Only 0.29 props per m² of slab formwork, providing more open workspace and easier material movement.
- Fast Assembly & Systematic Workflow - Panel size determines prop position; simple, repeatable sequence allows even unskilled workers to learn quickly.
- High Slab Thickness Capacity - Supports slabs up to 109 cm thick when configured with 150cm main beams and 75cm panels.
- Easy Cleaning & Maintenance - Powder-coated aluminum surfaces and undercut panel edges make cleaning fast and simple.
- High-rise residential building floor slabs
- Commercial office building concrete floors
- Parking garage slab construction
- Industrial facility flooring
- Any project requiring rapid floor cycle times
| Parameter | Value |
|---|---|
| System Type | Panel Slab Formwork (Aluminum) |
| Panel Sizes | 150*75cm, 150*50cm, 150*37.5cm, 75*75cm, 75*50cm, 75*37.5cm |
| Main Beam Lengths | 375cm, 225cm, 150cm |
| Single Component Weight | ~15.5 kg (panels & main beams) |
| Area per Support | 3.45 m² |
| Prop Density | 0.29 props per m² |
| Slab Thickness Capacity | Up to 42cm (225cm beam) / Up to 109cm (150cm beam + 75cm panel) |
| Formlining | 9 mm FinPly |
| Early Striking Drop | 60mm (one hammer blow) |
| Surface Finish | Powder-coated (corrosion-resistant) |
| Platform Load Capacity | 150 kg/m² |
| Standards | DIN 18202, Line 7 |
| Component | Description |
|---|---|
| Aluminum Panels | Various sizes for full floor coverage |
| Main Beams (Main Girders) | 375cm, 225cm, 150cm lengths |
| Adjustable Steel Props | Height-adjustable vertical supports |
| Dropheads | Early striking mechanism (stays in place after panel removal) |
| Propheads | Connects props to dropheads |
| Filler Strips | 21mm plywood for closing residual gaps |
| Edge Protection | End guardrails and SKYDECK platforms for safe edge work |
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