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  2. MgO Product Description and Attributes

What is MgO fire rating?

As a building material MgO does not have a fire rating. Fire ratings are limited to building assemblies. MAXTERRA MgO panels are fire resistant.

As a building material MgO does not have a fire rating. Fire ratings are limited to building assemblies. MAXTERRA MgO panels are fire resistant. They are ASTM E-84 Class A with a 0 Flame Spread Index and a 0 Smoke Development Index. 


Offering exceptional fire resistance, MAXTERRA MgO panels are ideal for applications that require fire rated assemblies