- Firestop tested for up to 3 hours, when used in conjunction with the appropriate 3M™ Fire Barrier Cast-In Device, in accordance with ASTM E 814 (UL 1479)
- Adds up to 4 inches (101.6 mm) to height of device
- For special applications, can be modified to accommodate larger depths of concrete pour
- UL Classified, universally recognized independent test agency
- Factory made, helps assure consistent quality
- Red color easily identifiable as fire-rated
Used in conjunction with a 6-inch 3M™ Fire Barrier Cast-In Device. Increases the height of allowable concrete thicknesses by 4 in. (101.6 mm) for installations requiring up to 12 in. (304.8 mm) pour depths.
Accommodates both metallic and non-metallic models of 3M™ Fire Barrier Cast-In Device.