Fire Protection · G-M4Y5R

UL System Firestop Assembly at Steel Air Duct

Materials

Elements

About this detail

A steel air duct penetrates a floor or wall assembly protected by a UL-classified firestop system achieving a two-hour F rating and two-hour T rating. The penetration assembly incorporates duct wrap materials consisting of batts and blankets forming collars, packing material, and fill, void, or cavity sealant. A minimum lap of three inches is specified for the wrap components.

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