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HydroFlame™ Large Diameter Firestop Sleeve

These cast-in-place UL Listed sleeves are designed for use with metal, insulated metal and plastic pipe penetrations ranging from 8 in. to 12 in. HoldRite is the only manufacturer currently offering a 12 in. option, a 1 in. stackable extension — which can serve as a water dam when two are installed together after concrete is poured — and an OSHA-compliant safety cap. 

Key features: 

  • Comes standard at 8 in. tall. 
  • Ideal for metallic, plastic and insulated pipes ranging from 8 in. to 12 in. 
  • For use with slabs 6 in. or thicker 
  • Provides three-hour fire rating for slabs thicker than 6 in. 
  • Includes OSHA-compliant hole cover plate/safety cap 
  • 1 in. extensions available for thicker floor slabs 
  • W rating is achievable with all HoldRite firestop sealants (HF300 silicone series, HF100, and HF200 intumescent sealants) 
  • L ratings available 
Animation and Product Highlights

HydroFlame Large Diameter Firestop Sleeves

Quick, accurate, and fire-rated, HoldRite cast-in-place sleeves just got bigger — with  8-in., 10-in. and 12-in. diameters — and come with the only OSHA-compliant hole cover plate in the market.