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SKU: STI-LCC150

STI LCC Intumescent Firestop Collars – Pipe Penetration Fire Barrier

Specified Technologies, Inc.
$12.56

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  • UL Certified
  • FM Approved

STI LLC firestop collars are designed to prevent smoke and flames from traveling through pipe penetrations in walls, ceilings, and flooring. These collars help seal openings and gaps, including very small cracks, supporting firestop protection and maintaining the integrity of fire-rated assemblies within buildings.

Physical Properties

Property
Value
Available Sizes 1.5" (38mm), 2" (51mm), 3" (76mm), 4" (102mm)
Shell Construction Galvanized Steel
Expansion Begins 320°F (160°C)
Volume Expansion 32x to 64x (free expansion)
In Service Temperature Less Than 120°F (49°C)
Shelf Life No Limit
  • Rapid expansion - closes off burning pipes quickly
  • Small profile - use it in all the tight spots
  • Flexible & durable - no loose flakes (eye hazards)
  • Water resistant - no water soluble or hygroscopic ingredients
  • Economical - lower installed cost
  • High volume char - expands up to 60 times