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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.

Frequently Asked Questions
  • Is DragonBoard a fire rated product, and is it considered non-combustible? +
    Yes. You may specify DragonBoard (UL Design G575) where ever a 2-hour fire-rated, noncombustible, floor/ceiling assembly is called for.
  • Is DragonBoard easier to use than cement board? +
    DragonBoard is lighter weighing only four pounds per square foot. It is also easier to cut and trim, and thanks to shiplap edges, it is more forgiving than T&G cement board.
  • How does DragonBoard compare in cost with alternative subflooring? +
    DragonBoard is sold through authorized dealers, who set prices based on quanitity, logistics, etc. However, DragonBoard can save you significant dollars when compared to cement board or poured concrete.
  • I'm concerned about mold, fungus, and insects. Can Dragonboard help? +
    DragonBoard is non-nutrient to all of the above.
  • What sizes are available? +
    DragonBoard is stocked in 4'x8' dimensions. Other lengths are available via special order. Ask your authorized dealer for details.
  • How do you suggest I fasten DragonBoard to floor joists? +
    For best results "glue and screw" using corrosion resistant, self-countersinking cement board screws. No pre-drilling necessary. Ask your dealer for brands.
  • Where can I get more information? +
    Use the Contact Page on this website, Email us at, or call 732-662-6275