General · G-METGR

UL System Through-Penetration Firestop at Floor Assembly

Materials

Elements

About this detail

A UL-listed through-penetration firestop system designated as UL System No. F-A-1105 by Hilti maintains a two-hour F rating, T rating, FT rating, FH rating, and FTH rating along with specific ambient and high-temperature air leakage ratings. The assembly consists of a concrete floor slab penetrated by a through-penetrant such as a steel pipe, iron pipe, or electrical conduit. The annular space is sealed with packing material, followed by fill, void, or cavity sealant materials and duct wrap materials as required by the listing. All indicated firestop products bear the appropriate UL or cUL certification mark.

Members view this detail in full resolution, download the CAD files (SVG, PDF), and can adapt it in the built-in CAD editor — export DXF, DWG, or PDF.

Start membership

Similar details