Product Description
3M™ Fire Barrier Water Tight Sealant 3000 WT is a flexible, one-part, neutral-cure, silicone elastomer firestop sealant that provides up to 4 hours of fire protection for through penetrations and construction joints. This high-performance sealant helps prevent the spread of fire, smoke, toxic gases, and water, while allowing ±25% movement capability for dynamic joints. It exhibits excellent weatherability, UV resistance, and long-term durability for both interior and exterior firestop applications.
Key Benefits
- Up to 4 Hour Firestop: Tested for through penetrations and joints according to ASTM E814 (UL 1479), ASTM E1966 (UL 2079), and CAN/ULC-S115.
- Highly Flexible: ±25% movement capability accommodates dynamic joints and building movement.
- Water-Tight Seal: Prevents water passage through penetrations and construction joints.
- Excellent Weatherability: UV-resistant for long-term exterior applications.
- Durable Performance: Maintains seal integrity under thermal cycling and environmental exposure.
- Excellent Adhesion: Bonds to a variety of substrates including concrete, metals, plastics, wood, and cable jacketing.
- Fast Cure: One-part neutral-cure formula for easy installation without mixing.
Best For
- Through-penetrations in floors, walls, and ceilings
- Dynamic construction joints
- Blank openings
- Metallic and non-metallic pipes
- HVAC and electrical service penetrations
- Interior and exterior building firestop applications
Product Properties
| Property | Specification |
|---|---|
| Application | Commercial Construction |
| Brand | 3M™ |
| Case Quantity | 10 Bags per Case |
| Composition | Silicone |
| Container Size (Imperial) | 4.5 Gal, 20 fl oz, 10.1 fl oz, 29 fl oz |
| Container Size (Metric) | 19 Liter, 591 mL, 300 mL, 857 mL |
| Fire Rating | Up to 4 Hours |
| Joint Fire Resistance Time | Up to 4 Hours |
| Material | Silicone |
| Maximum Service Temperature | 302 °F |
| Minimum Application Temperature | 40 °F |
| Storage Temperature | 40 °F to 90 °F |
| Movement Capability | ±25% |
| Product Form | Cartridge, Drum |
| Product Type | Sealant |
| Product Color | Red |
| STC Rating | Up to 56 in a 6″ Steel Wall |
| Smoke Development | 5 |
| Smoke Seal | Yes |
| Water-tight | Yes |
