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Cleanroom Flooring Systems
Cement-Filled Steel Raised Access Floor
A welded steel-shell access panel with cementitious infill for high stiffness, rolling-load capacity and repeatable access to underfloor utilities.
- Welded Steel Construction
- Dense Cementitious Infill
- Heavy Rolling-Load Support
- Removable Service Modules
Product Introduction
Cement-filled steel raised access flooring is formed from a cold-rolled steel top sheet welded to a structural domed bottom pan, then filled internally with cementitious material. The composite panel combines the tensile strength of steel with a dense core that limits drumming and improves local stiffness. An epoxy coating protects the bare shell, and optional resilient finishes can be factory bonded to the top. Panels locate on pedestals or a stringered understructure, allowing equipment-room services to remain accessible throughout the floor life.
Key Features
Cementitious infill increases stiffness and reduces hollow metallic sound under foot and rolling equipment.
Epoxy-coated steel surfaces protect the panel during handling and service in dry technical environments.
Heavy stringer configurations distribute concentrated and rolling loads across multiple pedestal positions.
Customer Product Concerns
Equipment rooms need removable flooring that remains stiff under rolling cabinets and concentrated feet without becoming noisy or unstable.
Unfilled metal panels drum and flex perceptibly under pedestrian traffic.Dense cementitious infill damps the hollow sound and supports the welded steel skins.
Rolling racks damage low-grade panel edges and create permanent rocking.Formed steel edges and the selected stringer grade spread repeated wheel loads across the understructure.
Service penetrations compromise a fixed concrete floor and are difficult to relocate.Modular panels can be lifted, replaced or prepared with factory-coordinated cable cutouts.
Bare unprotected steel begins to rust after transport or minor site moisture exposure.The welded shell receives a corrosion-resistant epoxy or galvanized protective finish.
Typical Applications
Cleanroom mechanical support areasEquipment and control roomsData centers and server roomsIndustrial laboratory utility spacesElectrical and communications rooms
Technical Parameters
Representative construction data for a heavy-duty cement-filled steel access-floor panel are shown below.
| Core Material | Cementitious infill enclosed by a welded cold-rolled steel top sheet and domed bottom pan |
|---|---|
| Panel Thickness | 35–41 mm typical bare structural panel depth |
| Effective Width | 600–610 mm nominal modular panel width |
| Maximum Length | 600–610 mm nominal modular panel length |
| Steel Facing Thickness | 0.7–1.2 mm top and formed bottom steel sheets, selected by load grade |
| Core Density | Approximately 1900–2200 kg/m³ for the internal cementitious fill |
| Thermal Conductivity | Approximately 0.8–1.4 W/(m·K) for the cementitious infill |
| Surface Finish | Corrosion-resistant epoxy-painted or galvanized steel with optional bonded resilient covering |
| Joint Type | Removable corner-supported panel on steel pedestals with freestanding or bolted-stringer retention |
| Customization | Available based on the intended application and operating environment. |
Available Options
Bare epoxy-painted or galvanized panelFactory-bonded HPL, PVC or rubber finishMedium, heavy or extra-heavy structural gradeStringers, cable grommets and equipment cutouts
Planning a Cement-Filled Steel Raised Access Floor specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
