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:

• SF-1 Smooth Firestop Sleeve drawing (pdf)
• SF-2 Smooth Firestop Sleeve drawing (pdf)
• SF-4 Smooth Firestop Sleeve 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-3109 Smooth Sleeve-Concrete 2 Hr System
• UL W-L-3231 Smooth Sleeve -Drywall 1 & 2 Hr System