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Steel Overhead Active Floor
The Steel Overhead Active Floor is the heavy-duty option in Huahong’s all-steel range, intended for high-density racks, battery and UPS rooms, and industrial control areas where point loading is more demanding than in a standard computer room. The panel uses a cold-rolled steel shell filled with pure cement and is offered in six load grades from FS700 to FS2000, with HPL or PVC surface finishes and conductive or static-dissipative ESD performance. Share the heaviest rack footprint, required finished floor height and destination port, and Huahong will return a load plan and quotation within 24 hours.
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Product Description
| Heavy-Duty Steel Overhead Active Floor for Data Center and Industrial Applications |
Engineered for demanding environments, the Steel Overhead Active Floor provides a robust, high-performance foundation for data centers, server rooms, and industrial control facilities. This specification guide outlines the critical load ratings, ESD performance, and structural advantages of Huahong's concrete-filled steel access floor system to assist procurement engineers in selecting the correct panel grade.
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Max Load Grade Up to 907 kg Concentrated load per panel (FS2000) |
ESD Protection 10⁴–10⁹ Ω Conductive or static-dissipative |
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Panel Dimensions 600×600×35 mm Standard modular footprint |
Fire & Safety ASTM E84-01 Flame spread 0 / Smoke density 0 |
Structural Integrity & Load Grade Selection
A critical specification error in facility design is selecting a floor based on average room load rather than the actual point load imposed by heavy server racks and equipment. The Steel Overhead Active Floor features a high-quality alloy cold-rolled steel shell (Baosteel steel) that is spot-welded, stretched, and filled with pure standard cement. This die-cast structure provides outstanding impact resistance and allows the system to carry heavy loads without permanent deflection.
For standard server and equipment racks, the FS800 (363 kg) or FS1000 (454 kg) grades are typical. For high-density racks or battery rooms, higher grades such as FS1250 (567 kg) or FS2000 (907 kg) should be specified. For specialized applications requiring air distribution or seamless surfaces, explore our All Steel Anti-static Ventilation Floor or Borderless All Steel Anti-Static Raised Floor.
| Model | Size (mm) | Concentrated Load (N) | Concentrated Load (kg) | Ultimate Load (N) | Uniform Load (N/m²) |
|---|---|---|---|---|---|
| FS700 | 600×600×35 | ≥2940 | ≥300 | ≥8850 | ≥14710 |
| FS800 | 600×600×35 | ≥3560 | ≥363 | ≥11250 | ≥17780 |
| FS1000 | 600×600×35 | ≥4450 | ≥454 | ≥14500 | ≥22220 |
| FS1250 | 600×600×35 | ≥5560 | ≥567 | ≥18360 | ≥27780 |
| FS1500 | 600×600×35 | ≥6680 | ≥680 | ≥22170 | ≥33340 |
| FS2000 | 600×600×35 | ≥8890 | ≥907 | ≥29420 | ≥44450 |
System Assembly & ESD Performance
The complete system includes the steel panels, galvanized stringers, and height-adjustable supports, which are connected with screws to form a stable lower support grid. The inner cavity is filled with pure cement, providing excellent sound absorption, heat insulation, and stepping comfort. The upper surface is finished with high wear-resistant and fire-resistant HPL (Italian Abet series) or PVC, ensuring a beautiful, flat paving effect with no black edges.
To guarantee ESD performance, the floor is equipped with black static conductive strips around the perimeter. The system resistance typically ranges from 10⁴ to 10⁶ Ω (conductive) or 10⁶ to 10⁹ Ω (static-dissipative), meeting the strict standards of GB/T 36340-2018 and SJ/T 10796-2017. For facilities evaluating alternative core materials, our Calcium Sulfate Anti-static Floor offers a viable alternative for specific environmental requirements.
Heavy-duty steel overhead active floor installation.
Panel construction and understructure detail.
Applications & Factory-Direct Supply
The Steel Overhead Active Floor is widely utilized in computer rooms, satellite ground station rooms, radio and TV transmitter control rooms, microwave communication stations, program-controlled switch rooms, clean workshops, and hospital facilities. To ensure project success, Huahong provides comprehensive OEM/ODM support, robust palletized export packing, and detailed technical submittals (including shop drawings and load plans) with every order. For similar heavy-duty data center projects, you may also review our Computer Room All-steel Anti-static Floor.
【Steel Overhead Active Floor】FAQ
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Q: What load grade should I specify for a 【Steel Overhead Active Floor】 in a data center with heavy racks? A: You must specify based on the point load of the heaviest fully populated rack, not the room's average load. For standard servers, FS800 (≥363 kg) or FS1000 (≥454 kg) is common. However, for high-density server racks, heavy UPS systems, or battery rooms, you must choose FS1250 (≥567 kg) or FS1500/FS2000 (up to 907 kg). Our engineering team can provide a load plan if you supply the exact rack footprint and weight during the RFQ stage. |
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Q: How is the ESD (Electrostatic Discharge) performance of the 【Steel Overhead Active Floor】 verified after installation? A: Verification is conducted using a surface resistance meter and a grounding resistance meter in accordance with SJ/T 10796-2017 standards. The system resistance should read between 10⁴–10⁶ Ω for conductive flooring or 10⁶–10⁹ Ω for static-dissipative flooring. To maintain performance, all pedestals must be securely bonded to the building's grounding grid. We recommend testing panel resistance and grounding continuity every 6 to 12 months, especially in high-traffic areas. |
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Q: What is the production lead time and packaging for ordering a 【Steel Overhead Active Floor】 directly from China? A: For bulk orders, our factory-direct production lead time is typically 15–20 working days after deposit and sample approval. Because the panels are heavy (concrete-filled steel core), we use heavy-duty export pallets equipped with corner protectors and moisture barriers to prevent edge damage during sea freight transit. For urgent projects, please inform us of your required delivery date in your inquiry so we can prioritize production. |
Related Category
All Steel Anti-static Activity Floor
Borderless All Steel Anti-Static Raised Floor
All Steel Anti-static Ventilation Floor
Calcium Sulfate Anti-static Floor
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