W-L-1054 UL Firestop System Installation | Metal Pipe Through Gypsum Wall Assembly

From the video's description

Learn how to install Hilti Firestop System W-L-1054, a UL/cUL tested firestop system designed for metallic pipe penetrations through gypsum wall assemblies. This installation video demonstrates the proper application of Hilti FS-ONE MAX Intumescent Firestop Sealant to help maintain the fire-resistance rating of the wall assembly. System W-L-1054 is suitable for a variety of metallic penetrants including steel, stainless steel, cast iron, copper, steel conduit, EMT, and select aluminum penetrations in 1-hour and 2-hour rated gypsum wall assemblies. The system provides an L-Rating of less than 1 CFM/sq ft at ambient and 400°F conditions. System Highlights: Supports a wide range of metallic penetrations including steel, stainless steel, cast iron, copper, conduit, and EMT F-Rating: 1-hour or 2-hour L-Rating: Less than 1 CFM/sq ft at ambient and 400°F Utilizes Hilti FS-ONE MAX Intumesc…

Written by Hilti North America on YouTube.