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HydroFlame™ Wrap Strip

HoldRite® HydroFlame™ Wrap Strip is a high performance highly intumescent flexible wrap strip that is designed to expand when exposed to heat.

  • No curing time
  • Excellent freeze-thaw properties
  • Simple to apply
  • Systems up to 12”(PVC)
  • Flexible
  • Forms hardened char after expansion
  • Highly intumescent
  • Can be installed from the topside of floor eliminating the need for ladders, refer to specific UL details
  • FBC™ System Compatible
  • Clean Air Gold certified
  • Can also be used with Custom Collar
  • UL Listed Firestop Systems
Where to Buy
SKU Size Description
HF-WS14-0100 1 in. x 12 ft. Roll

Wrap strip

HF-WS14-0200 2 in. x 12 ft. Roll

Wrap strip 

HF-CC-0100 1 in. x 50 ft. Roll

Custom collar

HF-CC-0200 2 in. x 50 ft. Roll

Custom collar

More Details

Common Applications

  • Intumescent firestopping

Approvals & Listings

  • ASTM E814
  • UL 1479
  • CAN/ULC S115
  • Clean Air Gold certified
  • UL Listed firestop devices
  • FBC™ System Compatible

UL Ratings

Type UL Rating Status
Fire F
Smoke/Gas L
Thermal T
T-Rating when penetrant is non-metallic
cUL Listed
fbc compatible
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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.”