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What is MagMatrix BMSC 517 New Sulfate MgO Board? A Comprehensive Guide to Magnesium Oxide Board in 2024

Writer's picture: JP Group MagMatrix BrandJP Group MagMatrix Brand

The MagMatrix BMSC 517 New Sulfate MgO Board is a cutting-edge magnesium oxide (MgO) board that represents a next-generation advancement in construction materials. It is designed to focus on sustainability, fire resistance, durability, and high performance. Most upgraded from the MGSO4 sulfate formulation, it made a technology breakthrough in 2024 and is present in the market as fire-rated structural wall sheathing, subfloor sheathing, and roofing sheathing systems.




Magnesium Oxide Board (MgO Board) is an innovative building material that combines strength, fire resistance, environmental sustainability, and versatility in construction. It's made from magnesium oxide (MgO), a mineral with excellent properties that make it suitable for various residential and commercial construction applications. In 2024, the MgO board will be popular for builders, architects, and homeowners due to its superior performance and environmental benefits. Here’s a detailed guide covering everything you need to know about the MgO board.


Composition and Manufacturing


MgO boards are primarily made from magnesium oxide, a natural mineral in seawater and brine pools. Magnesium oxide is mixed with other additives such as non-organic minerals, fibers (usually glass fiber mesh), and bonding agents to create the board. This mixture is then cured under high temperatures, resulting in a durable, cement-like board.


Modern MgO boards do not contain harmful chemicals like formaldehyde, asbestos, ammonia, silica, or benzene, making them a safer alternative to traditional construction materials like plywood or OSB.


Critical Properties of MgO Boards


MgO boards possess several remarkable properties that distinguish them from other construction materials:


Fire Resistance: MgO boards are inherently non-combustible and can withstand extremely high temperatures, making them ideal for fire-rated wall assemblies. They typically achieve a Class-A fire rating.


Water Resistance: Unlike plywood or gypsum board, MgO is highly resistant to moisture, mold, and mildew, making it suitable for humid environments.


Strength and Durability: MgO boards offer impressive structural strength, impact resistance, and dimensional stability. Compared to traditional materials, they are less prone to warping or cracking over time.


Breathability: MgO boards can be formulated as vapor permeable, allowing moisture to escape and preventing condensation buildup within wall assemblies.


Sustainability: The production of MgO boards has a low carbon footprint. Since magnesium oxide is sourced from abundant natural resources, MgO boards are considered environmentally friendly and sustainable.


Advantages Over Other Materials


Vs. Gypsum: When cut, gypsum boards can release harmful fly ash toxins, while MgO boards do not. MgO also has better fire and water resistance than gypsum.


Vs. Portland Cement: MgO boards are lighter, more impact-resistant, and offer better fire-suppressing capabilities than traditional cement boards.


Vs. Plywood/OSB: Unlike wood-based materials, MgO is not vulnerable to termites, moisture, or fire, making it a safer and longer-lasting option.





Applications of MgO Boards


MgO boards are versatile and can be used for various construction purposes, including:


Wall Sheathing: MgO boards provide a durable, fire-resistant sheathing solution for exterior and interior walls.


Flooring and Subflooring: MgO boards make excellent underlayments for flooring systems due to their strength and moisture resistance.


Roof Sheathing: MgO boards offer fire and weather protection when used as roof sheathing, particularly in wildfire-prone areas.


Siding: Some manufacturers offer MgO siding options, providing an attractive, fire-resistant exterior finish.


Acoustic and Fire-Rated Assemblies: MgO boards are commonly used in multifamily buildings for their soundproofing and fire-resisting qualities.


Notable Products and Brands


In 2024, several manufacturers are leading the charge in developing high-performance MgO boards:


MagMatrix Multi-Support MGO Exterior Wall Sheathing: These panels are prevalent in residential and commercial construction, and they are known for their structural integrity and fire resistance.


MagMatrix MGO SIP Panels: These panels integrate MgO boards with insulation, providing a robust, breathable exterior sheathing solution.


MagMatrix BMSC New Formulation & Technology of Sulfate MGO BOARD: A newer option emphasizing advanced technical performance and weather resistance.


Installation and Handling


MgO boards are relatively easy to work with but require specific tools for cutting and fastening. Common tools include:


Circular Saw: Equipped with a thin carbide or diamond blade for precise cuts.

Plunge Saw: Ideal for cutting thicker boards.

Jigsaw or Angle Grinder: For intricate cuts or when a circular saw is impractical.


When installing MgO boards, it’s crucial to follow best practices for moisture management, especially in areas prone to wet and dry cycles. Proper screw spacing, frame positioning, and waterproofing techniques help prevent issues related to wet expansion.


Environmental Impact and Sustainability


MgO boards are an eco-friendly choice in modern construction. The manufacturing process emits fewer greenhouse gases than traditional cement or gypsum products. Moreover, MgO is a naturally occurring mineral, meaning the boards do not rely on destructive mining practices. In line with the construction industry's push toward sustainability, MgO boards support energy-efficient building designs by enhancing the thermal performance of walls and reducing the need for additional insulation.


Considerations for Use


Despite its many benefits, MgO board usage does require careful consideration:


Moisture Management: MgO boards are water-resistant but can expand slightly when exposed to prolonged moisture. Ensuring proper ventilation and using vapor-permeable formulations can mitigate this risk.


Expansion and Contraction: Wet expansion is higher than some other materials, meaning installation techniques such as frame positioning and screw numbers must be carefully managed.


Cost: MgO boards can be more expensive upfront than traditional materials, though their longevity and durability often make them a cost-effective solution in the long term.


The Future of MgO Boards


In 2024, MgO boards are gaining popularity as builders and architects seek high-performance, sustainable materials. With continued innovation and increasing environmental regulations, MgO boards are well-positioned to become a staple in residential and commercial construction for years to come.


Upends


MgO boards are a versatile, sustainable, and high-performance solution for modern construction. Their fire resistance, strength, moisture resistance, and eco-friendly nature make them a top choice for builders seeking to create safe and durable structures. As construction trends shift towards energy efficiency and sustainability, MgO boards are poised to play an even more significant role in shaping the future of building design. JP Group MagMatrix BMSC 517 new sulfate MGO BOARD stands for the latest generation of the sulfate MGO BOARD, and its leading position gives us a more choice to choose a fire-rated and structurally and low carbon and natural carbon of the green building structurally sheathing panel.


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