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What Is MgO Board? A Guide to Magnesium Oxide Board

Magnesium Oxide (MgO) board is a type of building material made from magnesium oxide derived from magnesium-rich minerals like magnesite. It's often used as a substitute for traditional gypsum drywall or cement boards in construction. Here's a guide to understanding the MgO board.

Composition: MgO boards are primarily composed of magnesium oxide, along with other materials such as perlite, wood fiber, and glass fiber. These materials are mixed with water and then cured to form solid panels.

MagMatrix MGO Board

  1. Advantages:

  • Fire resistance: MgO boards are highly fire-resistant, making them suitable for use in buildings where fire safety is a concern.

  • Water resistance: Unlike gypsum boards, MgO boards are not affected by water, making them suitable for wet areas like bathrooms and kitchens.

  • Mold and mildew resistance: MgO boards are inhospitable to mold and mildew growth, which is beneficial for maintaining indoor air quality.

  • Strength and durability: MgO boards are durable and robust, providing good structural support.

  • Eco-friendly: MgO boards are considered environmentally friendly and are made from natural and recyclable materials.

  1. Applications:

  • Interior walls and ceilings: MgO boards can substitute for traditional drywall in residential and commercial construction.

  • Exterior cladding: MgO boards can be used as an exterior cladding material due to their weather resistance and durability.

  • Subflooring: MgO boards can be used as a subfloor material, providing a stable base for finished flooring materials like tile or hardwood.

  • Fire-rated assemblies: MgO boards are commonly used in fire-rated wall and ceiling assemblies to provide additional fire protection.

  1. Installation: MgO boards are typically installed using similar methods to traditional drywall or cement boards. They can be cut with a saw, drilled, and screwed or nailed into place. Specialized screws and adhesives may be required for installation.

Overall, MgO boards offer a versatile and durable alternative to traditional building materials, particularly in applications where fire and moisture resistance are important considerations.

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