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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 
Where to Buy
SKU Nominal Pipe Size Penetrating Pipe Type
HF-P8 6–8 in. NPS Plastic, metal or insulated metallic 
HF-P10 8–10 in. NPS Plastic, metal or insulated metallic 
HF-P12 10–12 in. NPS Plastic, metal or insulated metallic 
HF-M8 6–8 in. NPS Metal or insulated metallic 
HF-M10 8–10 in. NPS Metal or insulated metallic 
HF-M12 10–12 in. NPS Metal or insulated metallic 
More Details

Approvals & Listings

  • ASTM E814
  • UL 1479
  • ULC CAN-S115
  • ASTM G21
  • FBC™ System Compatible
  • ASTM E90

UL Ratings

Type UL Rating Status
Fire F
Smoke/Gas L
Thermal T
Water W
*T-Rating when penetrant is non-metallic
**W-Rating, refer to UL System data for specific sizing requirement
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. 

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cUL Listed
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fbc compatible
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made in usa icon - rwc
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“FBC™ System Compatible indicates that this product has been tested, and is monitored on an ongoing basis, to assure its chemical compatibility with FlowGuard Gold®, BlazeMaster® and Corzan® piping systems and products made with TempRite® Technology.” “The FBC System Compatible Logo, FBC™, FlowGuard Gold®, BlazeMaster®, Corzan®, and TempRite® are trademarks of Lubrizol Advanced Materials, Inc. or its affiliates.”