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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.

DragonBoard is a UL rated and approved Magnesium Oxide [MgO] subflooring and construction panel.

The 21st Century subfloor is here - Unparalleled Performance, Exceptional Value. Learn More

DragonBoard offers AIA continuing education credits for Architects and Specifiers.

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DragonBoard MgO Subflooring is the greener choice - environmentally friendly and cost-effective.

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The Ideal Solution

DragonBoard is the ideal solution for your most demanding projects.
It is the only construction panel that provides all of these features in one remarkable product.

Class A fire-rated and load-bearing equal to cement board and poured concrete.

DragonBoard is a UL-Approved Fire-Proof construction panel. - UL G575 and UL 055 ASTM-Tested and A-Rated

Mold, fungus, insect-free per ASTM G21

DragonBoard is non-nutrient to mold, fungus, and insects ASTM G-21

Highly Water Resistant

DragonBoard has been freeze/thaw-Tested for 36 months. Will not disintegrate when immersed in water or exposed to freeze/thaw cycles for prolonged periods of time.

Interior or Exterior Use

DragonBoard recommended assemblies consist of exterior wall, interior wall, shaftwall, steel column, staircase, ceiling/floor, and roofing.

Sound Suppressing and Impact Resistant

Impact-Resistant - ASTM D-5628
Sound Transmission Class-Rated 53-54

Silica, VOC, and Asbestos Free

DragonBoard is manufactured from mineral components and water. It contains:
No organic solvents
No oils
No toxic ingredients
No heavy metal salts
No asbestos


Substantial savings realized due to reduced labor costs. The smooth surface can be painted or wallpapered directly and the textured side is ready for ceramic tile applications.

Approved for use in New York City

DragonBoard is listed in the Materials and Equipment Acceptance (MEA) Index for New York City.

Eco Friendly

DragonBoard is manufactured with sustainability in mind. The entire manufacturing process is conducted at room temperature.

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