Intumescent Firestop Collars

Perfect Choice For Firestopping A Variety Of Plastics


What's special about these LCC collars?

  • Easy installation: just line-up the tabs, and you will have a perfect fit every time.
  • Expands up to 60X when exposed to 320°F (160°C), to seal our harmful smoke and fire.
  • The compact design allows you to fit it in tight spots for added security.
  • Click for More Features
ULUL Classified

Using the LCC collar from STI will keep flames and smoke from traveling through pipes to other floors, rooms or ceilings. The intumescent technology will seal even the smallest crack, keeping your building safe and secure.

Part # Diameter Shell Construction Weight Price
STI-LCC150 1.5" (3.8cm) Galvanized Steel 0.22 lb
Manufacturer Direct
STI-LCC200 2.0" (5.1cm) Galvanized Steel 0.25 lb
Quick Ship
STI-LCC300 3.0" (7.6cm) Galvanized Steel 0.49 lb
Quick Ship
STI-LCC400 4.0" (10.2cm) Galvanized Steel 0.73 lb
Quick Ship
  • Protects a wide range of plastic pipes: PVC, PVC foam core (ccPVC), CPVC, ABS, and ABS foam core (ccABS) - great for any new or existing construction.
  • The intumescent material has no water-soluble or hygroscopic ingredients, so it can be used on water pipes.
  • Can be used with most common forms of masonry construction for versatility.
  • Intumescent ingredients are securely fastened inside a molded flexible rubber matrix for safety.
  • ASTM E814 (UL1479)



Part # STI-LCC150 STI-LCC200 STI-LCC300 STI-LCC400
Expansion Begins 320°F (160°C)
Volume Expansion 32 to 64X
In Service Temp ≤120°F (49°C)
Shelf Life No Limit


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