THROUGH-PENETRATION FIRESTOP SYSTEM
Everything involved in protecting the through penetration and re-
sisting the spread of fire from one side to the other. This includes
the original fire-resistance-rated wall or horizontal assembly, the
penetrating item passing completely through the assembly and the
materials/devices installed to close and protect the penetration (see
Figure 2.7).
THROUGH PENETRATION
(PASSES ENTIRELY THROUGH
BOTH SIDES OF THE ASSEMBLY)
THROUGH PENETRATION FIRESTOP
SYSTEM INCLUDES:
• FIRE-RESISTANCE-RATED WALL
OR HORIZONTAL ASSEMBLY
• PENETRATING ITEM – PASSING COMPLETELY
THROUGH THE ASSEMBLY
• MATERIALS/DEVICES INSTALLED TO RESIST
SPREAD OF FIRE INTO OR THROUGH THE
ASSEMBLY
(Fig 2.7 Through Penetration, Firestop and Firestop System)
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