description
- Our 3M™ Fire Barrier Cast-In Tub Box Assemblies create a void on the top surface of a concrete slab to allow for plumbing. Simply remove the foam insert after the slab is cured to access the void. This provides a secure and permanent firestop solution.
features
- Firestop tested for up to 3 hours, when used in conjunction with a 2-inch (50.8 mm) 3M™ Fire Barrier Cast-In Device for metallic and non-metallic penetrations, in accordance with ASTM E 814 (UL 1479)
- Easily adjusted height accommodates concrete thickness from 4-1/2 inches to 8 inches (114.3 mm to 203.2 mm)
- Eliminates time and expense of core drilling holes in concrete
- Easy-to-install, annular space allows for hassle-free pipe installation
- Accommodates 1-1/2 inch and 2 inch pipe (38.1mm and 50.8 mm)
- UL Classified, universally recognized independent test agency
- Tear strips allow installers to easily adjust height for various concrete thicknesses
- Installs securely by attaching directly to forms and floor decking
- Rugged one-piece design withstands impact during everyday construction
| Weight | 8.5 LB |
| EAN or UPC | 50051115165868 |

