Maker's videoHilti North America · 9 Oct 2026
C-AJ-2835 UL Firestop System Installation (US Only) | Large PVC and CPVC 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
*DISCLAIMER: The firestop system shown in this video is based on a UL-listed design tested for the U.S. market. Use outside the United States may require different approvals, testing, or system designs to meet local building code requirements.* Watch the step-by-step installation of Hilti UL Firestop System C-AJ-2835, a tested firestop solution for large PVC and CPVC pipe penetrations through rated concrete floors and walls. This system uses FS-ONE MAX Intumescent Sealant, CP 648-E Firestop Wrap Strips, and the CP 675T Z-Frame to help restore the fire-resistance rating of the assembly while providing excellent smoke resistance. The video demonstrates the key installation components and techniques required to achieve compliance with the UL-listed system. System Highlights: PVC and CPVC pipes up to 18 in. diameter Up to 3-hour F-rating Suitable for concrete floor and wall assemblies …
Written by Hilti North America on YouTube.
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