Maker's videoHilti North America · 9 Oct 2026
W-L-5028 UL Firestop System Installation | Hilti FS-ONE MAX for Insulated Metal Pipe Penetrations
Against the record
Jaibot, from Hilti, is at stage 4 of 5 on our ladder: paying customers. Delivered and paid for, beyond pilots. The latest milestone on its record is from Oct 2026: Hilti's US website still offers Jaibot, describing a cordless robot that can work up to 8 hours between charges.
This video comes from the maker's own channel, and makers show their robots at their best. The stage above comes from dated public records, not from the video.
From the video's description
Learn how to install Hilti UL Firestop System W-L-5028, a tested firestop solution for insulated metallic pipe penetrations through 1- and 2-hour rated gypsum wall assemblies. This system is designed for steel pipe, copper pipe, and copper tubing applications with AB/PVC flexible foam pipe insulation and utilizes Hilti FS-ONE MAX Intumescent Sealant to help maintain the fire-resistance rating of the wall assembly. This installation animation demonstrates the proper application of firestop sealant around insulated metal pipe penetrations, creating a tested firestop system for commercial building applications. System Highlights Up to 2-hour fire-rated gypsum wall assemblies Designed for insulated steel and copper pipe penetrations Uses Hilti FS-ONE MAX Intumescent Sealant L-Rating less than 1 CFM/sq ft at ambient and 400°F For complete installation requirements and system limitation…
Written by Hilti North America on YouTube.
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