Plumbing · P-V6X6D

Uninsulated Metal Pipe Penetration through Concrete Floor or Wall

Materials

Concrete Steel Masonry / CMU Glass / Glazing Metal (misc.)

Elements

Walls Floors / Slabs Decks Millwork / Casework Anchors / Embeds Roof / Floor Openings

Connections

Deck Attachment

About this detail

An uninsulated metal pipe penetrates a two-hour fire-rated concrete floor, concrete wall, or concrete block wall assembly. The assembly accommodates a maximum thirty-inch nominal diameter steel pipe, cast iron pipe, copper pipe, steel conduit, or electrical metallic tubing. The annular space between the penetrating item and the opening ranges from zero to three-quarters of an inch. A minimum one-half-inch depth of Hilti FS-One intumescent firestop sealant is applied within the annular space on both sides of the wall assembly. Additionally, a minimum one-quarter-inch crown of the same intumescent firestop sealant is applied at the point of contact.

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