Installation of Insulation in Wood & Steel Truss Fire Endurance Assemblies

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Installation of Insulation in Wood & Steel Truss Fire Endurance Assemblies

  • To add insulation into a tested assembly, an equivalent or greater plenum space should be maintained and the insulation held up and away from the gypsum surface. 
  • Increasing the depth of an assembly does not adversely affect its fire endurance rating.
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2008 April
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Installation of Insulation in Wood & Steel Truss Fire Endurance Assemblies
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