STI Firestop SpecSeal® Cast-In Tub Box Kit – for 2″ & 3″


Tub Box Kit Only, Device Not Included

  • Tested for combustible and non-combustible penetrants
  • Variety of accessories available for any field condition
  • Incorporates built in smoke and water resistant seal
  • Usable in concrete floors as thin as 2-1/2″

SKU: CD23T Category: Tag:

Eliminate core-drilling and firestop after the concrete pour with SpecSeal CID Cast-In Firestop Devices.

Shell ConstructionPolypropylene
Tube and Cap ConstructionPolyethylene
Expansion Begins320°F (160°C)
Volume Expansion250x (free expansion)
In Service TemperatureMax. 130°F (54°C)
Shelf LifeNo Limit


STI Firestop

© 2021 Cable and Connections Acquisition Company LLC. | 888-WIRE-682 (888-947-3682)