Formulated for Sealed Protection
We formulated 3M™ Fire Barrier Water Tight Sealant 1000 NS as a single component, neutral cure, and silicone sealant. This ready-to-use sealant cures upon exposure to atmospheric humidity to form a flexible firestop seal that helps control the spread of fire, smoke and noxious gases before, during and after exposure to fire. When properly installed, this water-tight sealant provides up to 3-hour protection in tested and listed systems and meets UL Water Leakage Test, W Rating – Class 1 requirements for systems tested and listed in accordance with ANSI/UL 1479. We designed this non-slump firestop sealant as a re-enterable and repairable solution primarily used on vertical surfaces.
Recommended Applications
- Dynamic and static construction joints
- Perimeter fire barrier system and curtain wall joints
- Firestop blank openings
- Penetrating items that pass through the fire-rated floor or wall assemblies
Reliable and Affordable Fire Protection
Effective and easy to install, 3M™ Fire Barrier Water Tight Sealant 1000 NS is part of our family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products.
- Meets UL Water Leakage Test, W Rating (Class 1 requirements)
- Firestop tested up to 3 hours in accordance with ASTM E814 (UL 1479) and CAN/ULC-S115
- Fire resistance tested for construction joint (including curtain wall) systems in accordance with ASTM E 1966 (UL 2079), ASTM E 2307
- Excellent caulk rate and sealant can be applied with conventional caulking equipment
- The non-slump, halogen-free formula provides strong adhesion
- Exceptional weather ability for durability during construction
- Minimizes noise transfer (STC-Rating of 56 when tested in STC 56-rated wall assembly)
- Formulated as a re-enterable and repairable solution
- Sealant is paintable with primer