2″ Lok-Floor Composite Floor Deck:
In modern steel structure construction, composite floor decking systems play a critical role in improving construction efficiency, structural strength, and overall project economy. Among them, the 2″ Lok-Floor Composite Floor Deck stands out for its reliable mechanical interlock, strong composite action, and wide application across industrial and commercial buildings.

What Is a 2″ Lok-Floor Composite Deck?
The 2″ Lok-Floor composite steel deck is designed with rolled-in embossments that mechanically interlock with concrete. Once properly installed and fastened, the steel deck and concrete slab act together as a single structural system.
This combination of mechanical interlock and chemical bonding effectively resists horizontal shear forces and delivers excellent composite slab performance.

2″ Lok-Floor Deck Technical Overview
Also known as 2″ Composite Deck, this profile is engineered for structural efficiency and easy installation:
- Deck depth: 2 inches
- Effective coverage width: 36 inches
- Strong bond with concrete for slab reinforcement
- Embossment patterns optimized for composite action
(patterns may vary by manufacturer) - UL Approved for fire-rated applications
Metal Deck Properties
Thickness and Weight
| Gage | Thickness (in.) | Weight (PSF) |
|---|---|---|
| 20 | 0.0358 | 1.8 |
| 18 | 0.0474 | 2.4 |
| 16 | 0.0598 | 3.1 |
Section Properties per Foot of Width
| Gage | Ip (in⁴) | Sp (in³) | Sn (in³) |
|---|---|---|---|
| 20 | 0.540 | 0.380 | 0.316 |
| 18 | 0.520 | 0.460 | 0.479 |
| 16 | 0.657 | 0.608 | 0.609 |

Advantages of Floor Deck in Steel Structures
The floor deck, produced by advanced floor deck forming equipment, is especially suitable for fast-track steel structure construction.
During the construction phase, it can:
- Quickly form a rigid working platform
- Support multi-floor installation of profiled steel sheets
- Allow layered concrete slab pouring for accelerated schedules
During the service phase, the deck:
- Acts as tensile reinforcement for concrete floors
- Improves overall floor rigidity
- Reduces steel and concrete consumption
- Lowers total project cost while maintaining structural performance
The embossed surface and stiffening ribs significantly enhance the bonding force between steel deck and concrete, resulting in a high-load-bearing composite floor system.

Floor Deck Roll Forming Machine Advantages
The steel floor deck is produced by a metal floor deck roll forming machine using galvanized steel sheets through cold roll forming.
Key advantages include:
- Advanced hydraulic drive system
- Automatic hydraulic cutting after roll forming
- No deformation, no material waste
- High safety level with stop-and-cut operation
The finished floor decks feature:
- Simple profile with large rib height
- High strength and excellent load capacity
- Strong adhesion when combined with welded steel mesh and on-site concrete pouring
- Reduced need for traditional steel or wooden formwork, especially in high-rise buildings
2″ Lok-Floor Composite Floor Deck – Technical Specifications
| Item | Specification |
|---|---|
| Product Name | 2″ Lok-Floor Composite Floor Deck |
| Deck Type | Composite Steel Floor Deck |
| Deck Depth | 2 inches |
| Effective Coverage Width | 36 inches |
| Material | Galvanized Steel |
| Composite Action | Mechanical interlock + chemical bond |
| Embossment | Rolled-in embossments for concrete bonding |
| Fire Rating | UL Approved |
| Application | Concrete slab formwork & reinforcement |
| Weight | 6 Ton |


Lightweight, Strong, and Built for the Future
Roll-formed composite floor decks are lightweight, high-strength, and capable of bearing heavy loads. With their seamless appearance, excellent seismic performance, and easy installation, they have become a preferred flooring solution for modern steel structure buildings worldwide.

Typical Applications of 2″ Composite Floor Deck
Thanks to its strength, lightweight design, and construction efficiency, the 2″ Lok-Floor deck has been widely used in:
- Power plants and power equipment facilities
- Automobile exhibition halls
- Steel structure workshops and factories
- Cement warehouses and logistics centers
- Steel structure office buildings
- Airport terminals and railway stations
- Stadiums, concert halls, and large theaters
- Shopping malls and Olympic sports venues

These projects demand high load-bearing capacity, fast construction speed, and long-term durability, all of which composite floor decking systems can deliver.























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