| FIRESTOP.
A passive fire protection system of various components
used to seal openings in fire-resistance rated wall and/or floor
assemblies through bounding, which is based on elaborate fire
testing as well as environmental testing, in some cases.
Unprotected
or unbounded openings in fire separations void the fire-resistance
ratings of the fire separations that contain them and thus,
both in practical and legal terms, collapse the fire compartments
of which these fire separations form a part, which affects
the fire safety plan of the entire building. Firestops are
specifically designed to restore the fire-resistance ratings
of rated wall and/or floor assemblies by bounding the openings
through approved firestops.
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