3M Fire Barrier Water Tight Sealant
Firestop-rated, water-resistant sealant for life-safety joint seals. Choose 1000 NS (Non-Sag — vertical + overhead) or 1003 SL (Self-Leveling — horizontal floor joints). Both 12-pack of standard sausages.
$318.00
Lead Time: 5 business days
Shipping: Quoted after checkout
What it does
3M Fire Barrier Water Tight Sealant 1000 NS is a non-slump, single-component, neutral-cure silicone elastomer that cures with atmospheric moisture into a flexible firestop seal. It is re-enterable and repairable.
When to use it
- Vertical penetrations and construction joints in fire-rated walls and partitions
- Through-penetrations of pipes, conduits, and cables
- Areas needing both firestopping and water tightness
Key benefits
- Up to 3-hour fire rating in tested and listed systems
- Meets UL W-rating Class 1 (water leakage) per ANSI/UL 1479
- ±31% movement capability for dynamic and static joints
- Re-enterable and repairable
Format
12-pack of sausages; cures by atmospheric humidity.
Pack (shipping)
| Length | 6.8 in |
| Width | 16.3 in |
| Height | 8.5 in |
Key Specifications
| Property | Specification |
|---|---|
| Application | Non-Sag, Self-Leveling |
| Formula | 1000 NS — Non-Sag (vertical + overhead applications), 1003 SL — Self-Leveling (horizontal floor joints) |
| Tier | Single Sausage (20 fl oz), Case (12 Sausages) |
| Sausages per Case | 12 |
Professional Grade
Built for building professionals
Fast Shipping
Direct from manufacturer
Tech Support
Expert installation guidance
Certified Performance
Tested and documented
