Head of Wall - Firestopping
Firestopping and Fireproofing in Head of Wall Assemblies
Fireproofing material is sometimes removed to facilitate installation of
steel tracks for gypsum walls.
 The removed fireproofing material results in a thermal short or
unprotected area that could result in a fireproofing failure.
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Head of Wall - Firestopping
Firestopping and Fireproofing in Head of Wall Assemblies
Third party testing has shown the potential down falls of removing
fireproofing materials to facilitate gypsum wall assemblies
Thermocouple indicated an unprotected
beam would reach the limiting
temperature for the structural member.
Gypsum boards on one side of beam do
not provide adequate fire protection for
the beam.
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Head of Wall - Firestopping
Firestopping and Fireproofing in Head of Wall Assemblies
A couple potential solutions are to use Z-Clips prior to fireproofing the beam or
filling the track with the same thickness of fireproofing that is applied to the beam.
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