Product Description
3M™ Fire Barrier Silicone Sealant 2000+ is an elastomeric, neutral-cure, single-component silicone sealant that cures upon atmospheric exposure to form a flexible, re-enterable firestop seal. It is formulated for dynamic and static construction joints and tested up to 4 hours in accordance with ASTM E 1966 (UL 2079) and ASTM E 814 (UL 1479), while also delivering smoke and sound attenuation. This water-tight sealant offers excellent durability and adhesion to a wide variety of substrates.
Recommended Applications
- Dynamic and static construction joints
- Firestop blank openings
- Penetrations through fire-rated floor or wall assemblies
Key Benefits
- Up to 4-hour fire resistance
- Compression/expansion capability of ±13%
- Water-tight and weather-resistant
- Smoke and sound seal (STC 56 rated)
- Excellent adhesion to most construction substrates
- Low smoke developed index (0)
- Easy to apply with standard caulking equipment
- Meets LEED® VOC and IBC code requirements
Storage & Packaging
- Container Sizes: 4.5 fl oz, 20 fl oz (US); 17 L, 591 ml (Metric)
- Forms: Cartridge, Drum
- Color: Light Gray
Product Properties
| Property | Specification |
|---|---|
| Brand | 3M™ |
| Composition | Silicone |
| Container Size (US) | 4.5 fl oz, 20 fl oz |
| Container Size (Metric) | 17 L, 591 ml |
| Fire Resistance Type | Ablative |
| Hardness | 40 Shore A |
| Max Service Temp (Celsius) | 150 °C |
| Max Service Temp (Fahrenheit) | 302 °F |
| Min Service Temp (Celsius) | -40 °C |
| Min Service Temp (Fahrenheit) | -40 °F |
| Movement Capability | 13% |
| Product Color | Light Gray |
| Product Form | Drum, Cartridge |
| Product Type | Sealant |
| STC Rating | Up to 56 in a STC Rated Wall |
| Smoke Developed Index | 0 |
| Smoke Seal | Yes |
| Water Activated | Yes |
| Water-tight | Yes |





