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Penetrations in fire-rated ceilings

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All Things Gypsum: Penetrating Fire-Rated Gypsum Board

Penetrations in gypsum board firerated ceilings (and lets stay with ceilings in this column to keep it simple; many of the same requirements apply to walls also) typically are of two types: items that penetrate the entire system, such as a pipe or duct; or items that penetrate only the membrane of the system: again a pipe or duct, but also possibly an access door or length of electrical conduit.



Fire Resistant Ceiling Tiles - Ceilings from Armstrong

E Structural 5356 Column, beam, throughpenetration walls and floors, and joists. Basic methods of Fireproofing protecting columns and beams with gypsum base and veneer finishes, mineral fireproofing, and gypsum drywall.



GUIDELINE ON THROUGH-PENETRATION FIRESTOPPING

All conduit, cable, wiring, cable tray or similar throughpenetrations of firerated walls. 2. All conduit, cable, wiring, cable tray or similar throughpenetrations of The Contractor shall verify the fire rating of all walls, floors and ceiling assemblies having electrical penetrations by reviewing appropriate Architectural and Structural

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