Product Description
3M™ Fire Barrier Sealant IC 15WB+ is a water-based, one-part acrylic intumescent firestop sealant designed to provide up to 3 hours of fire protection in tested through-penetration firestop systems. This flexible sealant expands when exposed to heat, helping to seal penetrations and block fire, smoke, toxic gases, and water. The sag-resistant formula allows clean and easy application to a wide variety of construction substrates, while remaining re-enterable and repairable.
Key Benefits
- Up to 3 Hour Firestop: Tested for through penetration systems in accordance with ASTM E814 (UL 1479) and CAN/ULC-S115.
- Intumescent Expansion: Expands when heated to help seal penetrations during fire conditions.
- Flexible and Acrylic-Based: Sag-resistant formula for easy clean application.
- Excellent Adhesion: Bonds to concrete, metals, wood, plastic, and cable jacketing without primers.
- Re-Enterable and Repairable: Allows for future modifications or maintenance.
- Paintable and Water-Based: Allows for easy clean-up and simple finishing after application.
- Sound Transmission Reduction: Helps minimize sound transfer through wall penetrations.
Best For
- Metallic and non-metallic pipes
- HVAC penetrations
- Blank openings
- Single and bundled cable penetrations
- Steel, concrete, wood assemblies
- Interior commercial construction firestop
Product Properties
| Property | Specification |
|---|---|
| Application | Commercial Construction |
| Brand | 3M™ |
| Case Quantity | 4.0 Bags per Case, 12.0 Bags per Case |
| Container Size | 10.1 fl oz, 20 fl oz, 29 fl oz, 4.5 gal |
| Fire Rating | Up to 3 Hours |
| Expansion Rate | Enchrichment |
| Material | Intumescent Acrylic |
| Maximum Service Temperature | 185 °F |
| Minimum Application Temperature | 40 °F |
| Storage Temperature | 40 °F to 90 °F |
| Temperature Range | 40 °F to 90 °F |
| Product Form | Paste |
| Product Color | Red |
| Product Type | Sealant |
| Smoke Development | 5 |
| Smoke Seal | Yes |
| Water-tight | No |
