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Calcium Sulphate
Raised Access
Floor System
100% natural gypsum core. Superior fire rating, anti-static performance, and moisture resistance -- engineered for data centers, offices, clean rooms and mission-critical environments.
Core Density
Certified
Custom Sizes Available
CISCA Certified
CE & MOB Approved
40+ Export Countries
Factory-Direct OEM/ODM
24h Quote Response
Product Overview
What Is a Calcium Sulphate
Raised Access Floor?
A calcium sulphate raised access floor is a modular elevated flooring system where panels are made from a 100% natural gypsum (calcium sulphate) core, encased in galvanised steel. The result is a panel of exceptional dimensional stability, fire resistance, and load-bearing performance.
Panels are supported on adjustable pedestals, creating a service void beneath the floor surface for routing power, data, HVAC, and other building services -- making them the go-to solution for data centres, server rooms, trading floors, government offices, and high-specification commercial interiors worldwide.
Why Calcium Sulphate
Performance That Sets the
Industry Standard
Six engineering advantages that make calcium sulphate the preferred choice for demanding global projects.
Class A1 Fire Rating
Calcium sulphate core is non-combustible by nature. Achieves Class A1 reaction-to-fire, the highest classification under EN 13501-1 -- no flame spread, no smoke.
Anti-Static Protection
Surface resistance ≤10⁹Ω with conductive or dissipative finishes. Eliminates electrostatic discharge risk in data centres, server rooms and electronics manufacturing.
Superior Load Bearing
Concentrated load capacity from 3kN to 18kN depending on grade. Uniform distributed load tested to CISCA and EN 12825 standards -- handles heavy server racks with ease.
Moisture Resistance
Gypsum core treated for dimensional stability in humid environments. No warping, no swelling -- maintains flatness tolerance ≤0.5mm across the panel surface.
Eco-Friendly & Healthy
Zero formaldehyde, zero VOC emissions. 100% natural mineral gypsum -- recyclable and compliant with green building certification programmes including LEED and BREEAM.
Versatile Finish Options
Available with HPL, PVC, ceramic tile, carpet, conductive vinyl, or bare steel finishes. Custom colours, textures and branding available for OEM/ODM orders.
Technical Data
Full Technical Specifications
Panel Core Specifications
| Core Material | 100% Natural Calcium Sulphate |
| Standard Size | = $size ?>600*600mm (custom available) |
| Thickness | 26-40mm |
| Core Density | 1400 - 1700 kg/m³ (custom) |
| Steel Sheet | Galvanized steel or Aluminum foil |
| Surface Flatness | ≤ ±0.3mm |
Performance Parameters
| Concentrated Load | 3kN - 18kN (grade-dependent) |
| Ultimate Load | ≥ 2× working load |
| Fire Reaction | Class A1 (EN 13501-1) |
| Anti-Static | ≤ 10⁹ Ω (ESD safe) |
| Certifications | CISCA, CE, MOB, EN 12825 |
| Finish Options | HPL, PVC, Carpet, Ceramic, ESD |
Performance Comparison vs. Wood Core
Excellent (A1)
Up to 18kN
≤ ±0.5mm
Zero VOC / Formaldehyde
Where It Works
Designed for Mission-Critical
Environments
From hyperscale data centres to government command floors -- wherever uptime, safety, and precision cannot be compromised, Profloortech systems are specified first.
Highest Demand
Data Centres & Server Rooms
Precision airflow management, anti-static protection, and ultra-high load-bearing capacity for mission-critical IT infrastructure.
≥ 1000 kg/m² load
Ventilated panels
Cable management
High Specification
Government & Command Centres
Stringent fire ratings, acoustic performance, and certified documentation for public-sector project acceptance worldwide.
Fire-rated core
Acoustic damping
MOB compliant
Clean Rooms & Labs
Particle-free surfaces, seamless joints, and chemical-resistant finishes for pharmaceutical and semiconductor environments.
Seamless edge
Financial Trading Floors
High-density cable routing beneath premium HPL surfaces -- built for intensive workstation environments with zero downtime tolerance.
High density
Broadcast & Control Rooms
Vibration damping and RF-shielded configurations for broadcast studios, NOCs, and 24/7 operations centres.
RF shielding
Corporate & Open-Plan Offices
Flexible reconfiguration, premium carpet and PVC finishes, and rapid installation for large commercial fit-outs.
Fast install
Key Performance Benchmarks Across All Environments
≥ 1000 kg/m²
Factory destructive-tested per batch
Class A / B1
100% natural gypsum non-combustible core
10⁶ - 10⁹ Ω
Conductive & static-dissipative options
CISCA · CE · MOB
Full documentation for project acceptance
Specify the right system for your project -- our engineers respond within 24 hours.
Core Service
Customisation
Your Brand, Your Spec --
We Build It
With 15+ years of OEM experience manufacturing for top-tier international flooring brands, our factory is equipped to deliver complete white-label solutions that align with and strengthen your brand identity.
Product Details
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FAQ
Frequently Asked Questions
Common questions from global distributors, contractors and architects.
'a' => 'Our standard MOQ is 100m² for catalogue products. For OEM/ODM custom orders (non-standard density, dimensions or branding), the MOQ starts at 400m². We can discuss smaller trial orders for new partnerships -- please contact us to discuss your specific requirements.',
],
[
'q' => 'What certifications do your calcium sulphate raised floors hold?',
'a' => 'Our products are certified to CISCA (Ceilings & Interior Systems Construction Association), CE (European Conformity), and MOB standards. All batches undergo factory load-bearing and destructive testing in accordance with EN 12825. Full test reports and certification documents are available upon request.',
],
[
'q' => 'Can you customise panel density and dimensions for our project?',
'a' => 'Yes. We offer core densities from 1,400 to 1,700 kg/m³ and can manufacture to non-standard dimensions. Common thicknesses are 26-40mm, but we can accommodate project-specific requirements. Please share your technical drawings or specifications when enquiring.',
],
[
'q' => 'What surface finish options are available?',
'a' => 'We offer a full range of surface finishes: HPL (High Pressure Laminate), PVC, carpet tile, ceramic tile, ESD (electrostatic dissipative) vinyl, conductive vinyl, and bare galvanised steel. Custom colours, textures and patterns are available for OEM orders.',
],
[
'q' => 'What are your shipping terms and lead times?',
'a' => 'We support EXW, FOB, CIF trade terms. Standard production lead time is in 10 days after order confirmation. We provide container-optimised loading plans to maximise space utilisation and reduce freight cost per m². Our team handles all export documentation.',
],
[
'q' => 'Do you provide technical support and installation guidance?',
'a' => 'Yes -- following our "profloorteach" philosophy, we provide free layout design, pedestal/stringer ratio calculations, material loss calculations, CAD node drawings, and remote installation guidance for international projects. We export expertise, not just products.',
],
[
'q' => 'Can you provide OEM/ODM white-label production with our brand?',
'a' => 'Absolutely. We have 15+ years of OEM experience manufacturing for top-tier international flooring brands. We offer complete white-label services including custom product stamping, retail-ready packaging, instruction manuals, and technical documentation -- all aligned to your brand identity.',
],
];
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Have a question not covered here?
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Tell us about your project and we'll respond within 24 hours with a detailed quotation, technical datasheet, and container loading plan.
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© = date('Y') ?> Profloortech (Gail) · Changzhou, Jiangsu, China · All products tested to international standards