STI Product SpecSeal SSC Firestop Collars – Canadian

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  • Sized for 1-1/2″, 2″, 3″, 4″, 6″ Trade Size Combustible Pipes
  • Installs quickly and eliminates waste
  • Tested to CAN/ULC-S115 at 50 PA (0.20 in. water)

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SpecSeal SSC Firestop Collars are factory-manufactured firestop devices sized to plastic pipes of up to 6 in. Trade Size. SSC Collars consist of a restraining collar with a factory applied intumescent ensuring the correct amount of material is applied every time. Under fire exposure, SSC Collars quickly expand and collapse combustible piping forming a dense char, resisting the passage of smoke and flame.

Physical Properties

Availble Sizes1.5″ (38mm), 2″ (51mm), 3″ (76mm), 4″ (102mm), 6″ (152mm)
Shell ConstructionGalvanized Steel
Expansion Begins320°F (160°C)
Volume Expansion32x to 64x (free expansion)
In Service TemperatureLess than 120°F (49°C)
Shelf LifeNo Limit


STI Firestop


1.5", 2", 3", 4", 6", 8"

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