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Before you pull the trigger on MgO structural panels, here’s the smoking gun. Many brands claim to be noncombustible, but they’re not. Fiber-reinforced USG Structural Panels are proven to be noncombustible by independent tests.
A noncombustible rating is just the start.
USG Structural Panels are made in the USA, and we oversee every aspect of production. So, when we say they’re UL certified noncombustible, you can believe it. Our panels aren’t MgO, they’re high-strength, gypsum-based, reinforced concrete panels. That makes them lighter than precast or poured concrete plus they’re mold-, moisture- and termite-resistant. They’re even easy to work with because they install like wood sheathing, giving you a faster, easier, and more efficient way to build.
Our panels exceed the noncombustibility standard required by ASTM E136. Some MgO structural panels claim to be noncombustible despite failing this standard test.
With no shoring, coring, or sequencing of trades, USG Structural Panels install in a snap and keep your project moving.
When USG Structural Panels arrive at your jobsite, they’re ready to lay, fasten, and finish. No more waiting for mud to dry.
Weighing in at only 5 PSF saves a ton. Structures require less steel, crews require less time, and trucks require less fuel.
The USG evaluation of noncombustibility for certain MgO structural panels whitepaper reported findings obtained by a third-party lab, using MgO structural panels purchased on the open market. That testing conclusively shows that none of the four MgO products tested meet the ASTME136 noncombustibility standard.
The International Code Council (ICC) recently cancelled Megaboard’s ICC ESL-1151 report (2018) and removed ESL-1151 from the ICC listing directory after conducting an investigation into the whitepaper.
USG Structural Panels pass the ASTM E136 test for noncombustibility. Download the USG Structural Panel Concrete Subfloor code reports for Underwriter Laboratories, International Code Council and Progressive Engineering:
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