Architects, Engineers, and Certified Installers can download and use these drawings to specify our systems in their construction projects.

Drawings in Adobe Acrobat (PDF) format:

• TF-1 Threaded Firestop drawing (pdf)
• TF-2 Threaded Firestop drawing (pdf)
• TF-4 Threaded Firestop drawing (pdf)

AutoCAD drawings (DWG), compressed (ZIP) for download:

If you do not have AutoCAD, you can use this Autodesk DWG TrueView (free DWG Viewer) to view the drawings.

• UL W-J-3111 Threaded Firestop/ Penetrator-Concrete 2 Hr System
• UL W-J-3112 Threaded Firestop/ Penetrator-Concrete 4 Hr System
• UL W-L-3233 Threaded Firestop/Penetrator-Drywall 1 & 2 Hr System
• UL W-L-3234 Threaded Firestop /Penetrator-Drywall 3 & 4 Hr System
• UL F-A-3019 Threaded Firestop/ Penetrator-Vertical Concrete 2 & 3 Hr System