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Mgo Sip Panels
An MgO-SIP is an advanced composite panel system consisting of a rigid insulation core – typically EPS, Neopor, XPS, or Polyurethane – sandwiched between two layers of Magnesium Oxide (MgO) Board.
This combination integrates structure, insulation, and fire protection into a single component, offering a superior alternative to traditional OSB-SIPs.
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Key Features & Technical Benefits
🔹 Fire Resistance & Safety
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Non-combustible MgO board faces provide a Class A fire rating
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Zero flame spread and smoke contribution
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Ideal for fire-rated assemblies and bushfire-prone areas
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Enhances building safety and can reduce insurance premiums
🔹 Moisture & Mold Resistance
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Inherent moisture resistance of MgO board
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Does not support mold, mildew, or biological decay
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Perfect for coastal homes, bathrooms, kitchens, pool enclosures
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Ensures a healthy indoor environment
🔹 Structural Strength & Durability
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High compressive and tensile strength
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Excellent impact resistance and weather durability
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Long service life, resilient against extreme climates
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Reduces maintenance costs over building lifetime
🔹 Eco-Friendly & Healthy
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Manufactured from naturally abundant minerals
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Non-toxic, zero VOC – promotes superior Indoor Air Quality (IAQ)
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Supports sustainable construction and green building certifications
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Reduces carbon footprint compared to traditional systems
Technical Data at a Glance
| Feature | Specification | Benefit |
| Face Materials | Magnesium Oxide (MgO) Board | Non-combustible, moisture/mold resistant, high strength |
| Core Materials | EPS, Neopor (Graphite EPS), XPS, PU | High R-value, customizable thermal performance |
| Fire Performance | Class A Fire Rating (ASTM, ICC) | Meets or exceeds strict international building codes |
| Moisture Resistance | Excellent (Inherent MgO Property) | Ideal for wet, coastal, or high-humidity environments |
| Typical Applications | Exterior Walls, Roofs, Floors, Fire Walls | Comprehensive solution for safety-critical and durable structures |
Applications of mgo sandwich panel
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Fire-Critical Buildings: Schools, Hospitals, Multi-Unit Housing, Commercial Projects
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High-Humidity Environments: Kitchens, Bathrooms, Pool Enclosures, Coastal Homes
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Bushfire-Prone Areas: BAL-rated construction and wildfire defense systems
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Durable Structures: Exterior walls, roofs, and floor systems requiring resilience
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Architectural Projects: Projects prioritizing healthy indoor climate and long-term durability
MgO-SIPs vs. Traditional OSB-SIPs
While OSB-SIPs remain suitable for standard projects, MgO-SIPs excel in demanding environments.
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OSB-SIPs: Organic material → prone to moisture absorption, mold, and fire risk
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MgO-SIPs: Inorganic, non-combustible, and moisture-resistant → designed for high-performance and peace of mind
Why Choose Our MgO Structural Insulated Panels?
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Manufactured with precision and rigorous quality control
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Proven performance in 500+ projects worldwide
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Backed by technical data sheets, certifications, and engineering support
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Faster construction with fewer trades and reduced waste
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Trusted by architects, engineers, and builders globally
Contact us today to request a free quote or technical data sheets for your next project.
Frequently Asked Questions (FAQ) about MgO SIP Panels
What are MgO SIPs made of?
MgO SIPs are made of a rigid foam insulation core – such as EPS, XPS, Neopor, or Polyurethane (PU) – sandwiched between two layers of Magnesium Oxide (MgO) Board. This creates a strong, fire-resistant, and highly insulated building panel.
How fire-resistant are MgO SIP panels?
MgO SIPs provide a Class A (or equivalent) fire rating. The MgO board is non-combustible, does not contribute to flame spread, and significantly improves building safety. They are ideal for fire-rated assemblies and bushfire-prone regions.
Are MgO SIPs waterproof?
While not 100% waterproof, MgO boards are highly moisture-resistant and do not swell, rot, or support mold and mildew growth. This makes MgO SIPs suitable for bathrooms, kitchens, swimming pool enclosures, and coastal environments.
How do MgO SIPs compare to traditional OSB SIPs?
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OSB SIPs: Prone to moisture absorption, mold, and combustibility.
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MgO SIPs: Inorganic, non-combustible, moisture- and mold-resistant, making them ideal for demanding environments and long-term durability.
What applications are MgO SIPs best suited for?
MgO SIPs are commonly used in:
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Fire-critical buildings (schools, hospitals, commercial facilities)
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High-humidity environments (bathrooms, kitchens, coastal homes)
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Bushfire-prone regions (BAL-rated construction)
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Residential and commercial exterior walls, roofs, and floors
How do MgO SIPs compare to traditional OSB SIPs?
Yes. MgO boards are made from naturally abundant minerals, are non-toxic, and produce zero VOC emissions. Combined with the energy efficiency of SIP construction, MgO SIPs support green building certifications and sustainable construction.
How long do MgO SIP panels last?
MgO SIPs have a long service life, typically several decades when properly installed. They resist rot, pests, and extreme weather conditions, reducing maintenance and replacement costs.
Can MgO SIPs help reduce construction time?
Yes. MgO SIPs are prefabricated panels that integrate structure, insulation, and sheathing in one component. This reduces the number of trades needed, minimizes site waste, and allows faster project completion compared to traditional construction.