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DragonBoard is a U.S. patented, UL approved fire resistant, water resistant, high-impact construction panel that is well-suited for both interior and exterior sheathing applications. With its mold resistant, fire resistant and high impact properties, DragonBoard should be used whenever there is a high value placed on a building’s contents and equipment or when health and safety concerns exist.

About DragonBoard


Meet DragonBoard

DragonBoard, a UL approved MgO subflooring panel that is:

  • Class A fire-rated and load-bearing equal to cement board and poured concrete.
  • Freeze-thaw tested for 36 months
  • Mold, fungus, insect-free per ASTM G21
  • Impact resistant per ASTM D 5628
  • NYC approved per MEA
  • Silica, Asbestos, and VOC Free
  • STC rated 53-54 - in assembly
  • Meets ICC product criteria
  • Lighter-weight and substantial cost savings over cement board


Fire Resistant features of DragonBoard

How DragonBoard is Made

Dragonboard is made by combining MgO (calcined crushed magnesite) with what is commonly known as Epsom salts (MgSO4), proprietary fibers, and a water slurry then laid out in molds with multiple layers of fiberglass mesh. Boards are air dried for 3 days before being cut to precise dimensions then conveyed to quality control for inspection.

While seemingly straightforward, it is as much artform as science to maintain consistently excellent quality boards. We like to think of the process as similar to a distiller of fine whiskey, and we are equally proud of our production. Our boards contain none of the hazardous materials associated with Portland cement, Plywoods, OSB and other alternatives. Indeed, you could literally eat DragonBoard… though we do not vouch for any of its’ culinary qualities.

Sustainability and Green Building

Unlike Portland Cement based boards and pours, DragonBoard contains no hazardous components such as crystalline silica and hexavalent chromium, and the dust is not an irritant. In contrast cases of extreme exposure to Portland-based products, the results can lead to adverse health outcomes and worse.

Unlike Portland cement-based boards, there are no environmental concerns from extremely high energy consumption in manufacturing cement, and the related air pollution, such as the release of dioxin, NOx, SO2, and particulates. In contrast, the production of Portland cement contributes to about 10 % of world carbon dioxide emission and is the most energy-intensive industry in the world.

Unlike Plywoods and OSBs, DragonBoard does not contain any formaldehyde or adhesives, nor mold or termite abatement chemicals. DragonBoard is also naturally mold and termite resistant.

DragonBoard can be recycled for agriculture uses and is landfill friendly.

Our Commitment to the Environment

  • Mineral Components

    Mineral Components

    Dragonboard is manufactured from edible mineral components and water.

    Boards contain
    • No Volatile Organic Compounds (VOCs)
    • No heavy metal salts
    • No crystalline silica
    • No hexavalent chromium
    • No asbestos
    • No toxic antifungal additives
  • Safe for Landfills

    Safe for Landfills

    DragonBoard sawdust may be safely buried in landfills without contamination or environmental damage to the land, streams or bodies of water.

    Indeed Magnesium oxide is used extensively in soil and groundwater remediation, wastewater treatment, drinking water treatment, air emissions treatment, and waste treatment industries
  • Low Energy Manufacturing Process

    Low Energy Manufacturing Process

    In comparison to the extremely high energy required for Portland cement-based products, DragonBoard uses a patented low energy manufacturing process. The entire process is conducted at room temperature and scraps are reground and recycled.
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