Next-Gen Raised Access Floor Core: The MgO Board Advantage

 Upgrading from traditional wood particle board or brittle calcium silicate? Steel-Encapsulated Magnesium Oxide (MgO) Raised Access Floor Panels deliver the ultimate combination of fire safety, heavy load capacity, and moisture resistance for modern data centers and Class-A office buildings.

Key Advantages at a Glance

Class A1 Fire Rating: Certified non-combustible (ASTM E84 / EN 13501-1). Withstands temperatures above 1,000 C with zero toxic smoke.

High Structural Strength: Encapsulated in galvanized steel to handle heavy concentrated loads 3,500N- 6,700N without corner cracking.

15%–20% Lighter: Significantly reduces floor-slab dead load compared to calcium silicate boards.

Non-Corrosive MgSO4 Tech: Advanced sulphate formulation guarantees zero chloride ions, preventing moisture sweating and metal pedestal rust.

100% Eco-Friendly & Safe: Zero formaldehyde, zero asbestos, and zero respirable silica dust during job-site cutting.

 

Primary Applications

Encapsulated MgO Panels: Ideal for Commercial Office (OA) spaces with loose-lay carpet or magnetic LVT.

Anti-Static MgO Panels: Laminated with HPL/PVC for Data Centers, Server Rooms, and Cleanrooms.

Upgrade your infrastructure with zero-compromise safety and performance.

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Terracotta vs. Fiber Cement Panels: Technical Specifier Comparison

 Architects and specification teams often combine Terracotta Rainscreens with High-Density Fiber Cement Panels across elevations to create dynamic depth, or choose between them based on weight budgets and design intent:

Technical & Performance Criteria	Terracotta Rainscreen Panels	High-Density Fiber Cement Panels
Material Chemistry	100% Natural refined clay, vacuum-extruded & fired (>1200°C)	Portland cement, natural/synthetic fibers, silica, mineral fillers
Fire Reaction Rating	Class A1 / Non-Combustible (ASTM E136 / EN 13501-1)	Class A1 / A2-s1,d0 (ASTM E136 / EN 13501-1)
UV & Color Permanence	Vitrified natural clay body; 100% fade-proof over decades	Integrally pigmented or high-grade UV topcoats; excellent weatherability
Structural Mass	Medium-to-heavy (typically 24mm–30mm hollow-core panels)	High strength-to-weight ratio; thinner profiles (8mm–12mm)
Surface Textures	Earthy clay tones, 3D fluted/grooved profiles, baguettes, louvers	Crisp cementitious matte, large-format smooth panels, slate/stone effects
Maintenance Profile	Hydrophilic/anti-static (prevents airborne dirt accumulation)	Rot-proof, moisture-impermeable, resistant to mold and fungus
Primary Applications	Corporate headquarters, universities, cultural centers, podiums	High-rise curtain walls, modular facades, soffits, interior accent walls

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What is an MgO Duct Board?

 A Magnesium Oxide (MgO) duct board is a factory-prefabricated, non-combustible structural panel engineered specifically for central air conditioning supply ducts, commercial ventilation, and passive fire/smoke extraction systems. Manufactured from magnesium sulfate/oxide chemistry, MgO duct board combines structural rigidity, inherent thermal protection, and Class A1 fire resistance in a thin 6mm to 10mm profile, eliminating the labor-intensive external insulation required by traditional galvanized sheet metal.

Technical Comparison: MgO Board vs. Fiber Cement Board vs. Galvanized Steel in HVAC Duct Systems

Feature / Metric	MgO Duct Board	Fiber Cement Board	Galvanized Sheet Metal
Primary HVAC Application	Central Supply & Smoke Exhaust	General Wall Cladding / Sheathing	Traditional Ductwork
Fire Performance Rating	Class A1 / ASTM E119 Non-combustible	Class A1 Non-combustible	Non-combustible (Heat Conductive)
Thermal Insulation	Inherent Thermal Resistance	Low Insulation Value	None (Requires External Insulation)
Thickness Range for Ducts	6mm – 10mm (High Strength)	8mm – 12mm+ (Heavy)	0.8mm – 1.2mm
Flexural & Tensile Toughness	High Toughness / Crack-Resistant	Brittle / Prone to Edge Micro-cracks	High Ductility
Joinery & Edge Milling	Precision Tenon, Groove & T&G	Poor Milling / Crumbles under Stress	Sheet Metal Locks / Flanges
System Weight & Load	Lightweight / Low Hanging Load	Heavy Hanging Load	Medium-to-Heavy

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Why MgO Ducts Crush Traditional Galvanized Steel

 Traditional steel ducts come with a massive list of headaches: high weight, complex on-site fabrication, and the added cost and labor of installing external thermal insulation. MgO boards change the game completely:

• 🔥 Class A1 Fireproof Safety: Certified non-combustible material that provides ultimate protection for central air supply and critical fire smoke extraction systems.

• 🌡️ Built-in Thermal Insulation: Unlike bare steel that bleeds energy, MgO boards have natural insulating properties—saving you time, material, and labor on extra insulation wrapping.

• 🪶 Ultra-Lightweight Efficiency: Significantly lower hanging loads on structural ceilings compared to heavy metal systems.

• 🏭 Factory Pre-Fabricated Precision: Engineered for clean, fast off-site assembly, drastically cutting installation time on the job site.

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Why Engineers Choose Fiber Cement Boards for Energy Infrastructure

 When designing for extreme fire loads and safety compliance, fiber cement boards outperform traditional materials across several key metrics:

Performance Metric	Fiber Cement Board Advantage
Fire Rating	Typically classified as A1 Non-Combustible (EN 13501-1) or ASTM E136 compliant, releasing no fuel to flames.
Durability	Resistant to rot, mold, moisture, pests, and chemical exposure—crucial for both indoor BESS containers and outdoor substations.
Mechanical Strength	High impact resistance and structural rigidity, capable of withstanding pressure waves from electrical faults or explosions.
Environmental Safety	Asbestos-free, formaldehyde-free, and eco-friendly manufacturing processes.

 

Conclusion

As energy storage capacities grow and power grids become more decentralized, passive fire protection is no longer an afterthought—it is a critical engineering requirement. Fiber cement boards provide a reliable, cost-effective, and highly resilient defense mechanism. By integrating high-performance fiber cement panels into BESS enclosures, cable barriers, and substation fire walls, developers can protect vital assets, ensure regulatory compliance, and secure a safer energy future.

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150MM Fiber cement weatherboard

150mm fiber cement weatherboard (such as standard 150mm width cladding planks) is a popular choice for exterior wall cladding in modern residential and commercial builds.

Key Dimensions & Technical Specifications

Total Width: 150 mm

Effective Coverage Width: ~120 mm to 130 mm (due to overlap during installation)

Standard Thickness: Typically range from 16mm (thick-profile planks for deep shadow lines, such as James Hardie Linea™) to 8mm - 10mm (standard lap planks).

Standard Lengths: 3.6m to 4.2m planks.

Fire Performance: Non-combustible base, often rated A1 fire reaction or suitable for bushfire-prone zones up to BAL-40

Durability: Resistant to rot, termites, moisture damage, shrinking, and swelling.

Standard Industry Products & Options

Thick-Profile Planks (16mm):

Features back-beveling and tongue-and-groove end joints for concealed fixing and clean, deep architectural shadow lines.

Popular in high-end modern residential extensions, upper-storey features, and full-facade cladding。

Standard Overlap / Lap Planks (8mm – 10mm):

Designed for horizontal overlap installation on timber or light-gauge steel frames.

Lightweight, easy to cut on site, and pre-primed or factory pre-finished for fast site application.

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180mm Fiber Cement Weatherboards

 180mm Fiber Cement Weatherboards (also referred to as fiber cement cladding or lap siding) are a low-maintenance, weather-resistant exterior cladding option designed to mimic natural timber planks.

Key Specifications

Feature	Standard Dimension / Details
Total Width	180 mm
Effective Cover Width	150 mm (assuming a standard 30 mm lap/overlap)
Standard Thickness	8 mm to 10 mm
Standard Lengths	3.6 m or 4.2 m
Fire Rating	Non-combustible (typically A2-s1, d0 or BAL-40 / BAL-FZ depending on system)
Finish Options	Smooth or Embossed Woodgrain (cedar texture)

 

 

Key Advantages

Durability: Resistant to rot, termites, moisture, and extreme temperature changes.

Low Maintenance: Unlike timber, it does not warp, twist, or require frequent repainting.

Fire Performance: Highly rated for high-risk bushfire or strict fire-safety zones.

Aesthetics: Provides the classic look of traditional clapboard siding with modern structural integrity.

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