UL FIRE RATED · STC 59 CERTIFIED · LISTED IN UL DESIGN G575

Replaces Gypcrete. Zero Cure Time. Lower Installed Cost

The leading MgO supplier in the United States providing sustainable solutions for subfloor and sheathing applications.

Our industry associations

Steel Framing Alliance member logoU.S. Green Building Council (USGBC) member logoASD member logoCold-Formed Steel Engineers Institute (CFSEI) member logo
Mid-Atlantic Steel Framing Alliance (MASFA) member logoConstruction Specifications Institute (CSI) member logoAmerican Iron and Steel Institute (AISI) member logoARCAT building product specification partner logo
Association of the Wall and Ceiling Industry (AWCI) member logoBuild With Steel partner logoASTM International standards member logoAmerican Institute of Architects (AIA) member logo
MgO Benefits

Engineered to outperform conventional board

DragonBoard's magnesium oxide core delivers protection that wood, gypsum, and cement board can't match — resisting fire, water, and pests without chemical additives. Every panel ships with the same certified composition, so the performance you specify is the performance you get.

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Insect resistant

Naturally resistant to termites, ants, and wood-boring insects. No chemical treatments required.

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Flame retardant

Class A fire rating with 2 hour fire resistance per UL G575. Tested to ASTM E119 standards.

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Water resistant

No swelling, warping, or degradation when exposed to moisture. Performs in any humidity condition.

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Sustainable

Zero VOCs, zero formaldehyde. Contributes to LEED credits with full EPD documentation available.

Certified performance, tested to the highest standards.

Every DragonBoard panel ships with the same certified composition, so the assembly you specify is the assembly that gets built. No field substitutions. No compliance gaps.

Illustration: UL listed fire rated assembly
Illustration: UL listed fire rated assembly

UL listed fire performance, built into every assembly

Listed in UL Design G575 per ASTM E119 for 2 hour fire rated floor and ceiling assemblies. Every panel ships with the same certified composition.

Illustration: structural integrity load testing
Illustration: structural integrity load testing

Structural integrity verified under real world conditions

Tested per ASTM E455 for diaphragm performance, DragonBoard delivers proven structural integrity under lateral load conditions. At 4 lbs/SF for the 3/4" panel, it carries 60 to 70% less dead load than gypcrete, reducing structural steel requirements and foundation loads across the entire building.

Illustration: diaphragm shear performance for lateral force resistance
Illustration: diaphragm shear performance for lateral force resistance

Diaphragm shear performance for lateral force resistance

Engineered to provide diaphragm action that transfers lateral loads from wind and seismic events. Verified shear capacity meets or exceeds plywood and OSB alternatives in equivalent assemblies.

DragonBoard MgO subfloor installation diagram

Backed by 50+ years of steel framing expertise

DragonBoard is backed by Super Stud Building Products, the steel framing manufacturer trusted since 1973. When you specify DragonBoard, you are working with the team that supplies the steel framing underneath it. One source for the structural shell: studs, joists, track, and subfloor.

see the comparison table
WHO IT'S FOR

Built for how you build

DragonBoard works differently depending on your role. Find the information that matters to you.

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For General Contractors

Tighter schedules. Lower installed cost. One less subcontractor to coordinate.

See the Numbers →
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For Architects & Specifiers

UL Design G575 listing. Zero VOCs. LEED IEQ credits in a single spec line.

View the Spec Package →
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For Dealers & Distributors

Spec driven demand. Higher margin than commodity steel. Growing MgO category with UL G575 listing.

Become a Dealer →
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For Steel Framing Contractors

Add subfloor installation to your scope with the crew you already have. No more tools, no training, more revenue per project.

Add to Your Scope →
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10,000 SF 25,000 SF 50,000 SF 100,000 SF 250,000 SF
Area in square feet 100,000 SF
Cost using wet pour floor $550K
Cost using DragonBoard $450K
Schedule recovery 14–21 days
Money saved: $100K

Estimates based on typical Northeast corridor mid-rise projects. For a project-specific analysis, use the full ROI Calculator.

Cost Comparison

See what you save by replacing wet pour

Wet pour gypcrete adds cost, cure time, and schedule risk to every floor. Move the slider to your project size and see the difference DragonBoard makes — in dollars and in days back on the critical path. These estimates reflect typical mid-rise builds; run the full calculator for project-specific numbers.

READY TO SPECIFY

Contact Us

Ready to bring DragonBoard to your next project? Reach out to our team for quotes, technical support, or distributor information.