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HydroFlame™ Pro Closet Flange Sleeve

This UL Listed firestop device is designed for 3- or 4-in. toilet flanges (flanges not included) and provides a three-hour F rating for both plastic and no-hub cast iron drain piping. 

Key features: 

  • Mid-body seal provides watertight penetration. Refer to UL System data for specific size requirements 
  • Adjustable height sleeve up to 12 in. 
  • Extensions are available for slabs over 12 in. 
  • Product Options 
Where to Buy
SKU Nominal Pipe Size Penetrating Pipe Type
HFP-CF3PL 3 in. NPS Plastic
HFP-CF4PL 3–4 in. NPS Plastic
HFP-CF3NH 3 in. NPS Hubless Cast Iron
HFP-CF4NH 3–4 in. NPS Hubless Cast Iron
More Details

Common Applications

  • Toilet flanges
  • Firestopping

Approvals & Listings

  • 3-hour F-Rating

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
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cUL Listed
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fbc compatible
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made in usa icon - rwc

“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.”