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Fire Fighting Simulation
        (ASTM E-119)



  Which firewall would you prefer?

Gypsum walls disintegrate

Gypsum vs. AAC Comparison

AAC wall is unscathed

In November 2004, Underwriters Laboratories completed ASTM E-119 testing on Thermacrete 2" reinforced AAC panels, as part of the overall certification for UL Firewall Design No.U210. Thermacrete precast AAC panels not only exceeded a minimum 2-hour requirement (at 2"thick), but went on to pass an unprecedented 6-hour UL hose stream endurance certification.