Silicone Intumescent Firestop
GG266 from TVM Building Products, Erin, Ontario, is a single component, non-slumping 100 percent silicone intumescent sealant designed for combustible service penetrations in fire-rated walls and floors. Silicone composition exhibits performance stability and provides a pressure-tight seal that prevents spread of fire, smoke and toxic gases. In excess of 300 degrees as combustible penetrating item softens, GG266 intumesces to fill void. Other firestopping solutions available are the GG200 non-slumping floor and wall firestop and the SL100 self-leveling floor firestop.
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