HydroFlame™ 300SL Self-Leveling Silicone Firestop Sealant
HoldRite® HydroFlame™ 300SL is a gray colored self-leveling silicone firestop sealant designed for areas that are subject to high levels of moisture or when UL listed W ratings are required. HF300SL is a quick curing silicone sealant that can be used on a wide variety of pipe types and does not require any additional tooling once the product is dispensed into the penetration firestop opening. Since it is self-leveling, it is designed to be used in floor applications only.
- Flexible ±33% movement
- Low VOC
- Repels Water – excellent for W Ratings or washout conditions
- Excellent freeze-thaw
- 1-year shelf life
- FBC™ system compatible
- Easily dispensed (caulking gun or trowel)
- ASTM G21 antifungal properties
- UL GreenGuard Gold Certified
- Gray color to match concrete floors or walls
- Single component silicone
- UL Listed Firestop Systems
- ASTM G21 mold and mildew
| SKU | Size | Description | Color |
|---|---|---|---|
| HF300SL-20S | 20 oz. |
Sausage |
Gray |
Common Applications
- Firestopping
Approvals & Listings
- ASTM E814
- UL 1479
- CAN/ULC S115
- UL GreenGuard Gold Certified
- FBC™ System Compatible
Tested to ASTM E814, UL 1479, and CAN/ULC S115 testing standards.
UL GreenGuard Gold Certified and has antifungal properties.
Cures quickly and is easily dispensed using a caulking gun or trowel.
“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.”