3M Fire Barrier Water Tight Sealant 1000 NS, Gray, 10.1 fl oz Cartridge, 12/Case

• Excellent caulk rate and sealant can be applied with conventional caulking equipment
• Exceptional weatherability for durability during construction
• Fire resistance tested for construction joint (including curtain wall) systems in accordance with ASTM E 1966 (UL 2079), ASTM E 2307
• Firestop tested up to 3 hours in accordance with ASTM E814 (UL 1479) and CAN/ULC-S115
• Formulated as a re-enterable and repairable solution
• Minimizes noise transfer (STC-Rating of 56 when tested in STC 56-rated wall assembly)
• Non-slump, halogen-free formula provides strong adhesion
• Sealant is paintable with primer

3M Fire Barrier Water Tight Sealant 1000 NS is a non-slump, ready-to-use, single component, neutral cure, silicone sealant that cures upon exposure to atmospheric humidity to form a flexible firestop seal. This water tight sealant help control the spread of fire, smoke and noxious gases before, during and after exposure to fire.

Formulated for Sealed Protection
We formulated 3M™ Fire Barrier Water Tight Sealant 1000 NS as a single component, neutral cure, 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 fire-rated floor or wall assemblies

Meets Industry Demands
A durable solution, 3M™ Fire Barrier Water Tight Sealant 1000 NS is halogen-free, provides an excellent caulk rate and offers exceptional weatherability. This elastomeric sealant offers compression and extension capability of ±31% for dynamic and static construction joints. In addition, we formulated this sealant to be paintable with primer and compatible with CPVC piping.

This product also provides acoustic benefits by minimizing noise transfer (STC-Rating of 56 when tested in a STC 56-rated wall assembly) and acts as a smoke seal for installations requiring the L-Rating. This sealant meets the intent of LEED® VOC environmental regulations, International Building Code (IBC) and other key life safety building code requirements.

All-In-One Sealant Solution
For a sealant ready to shield and protect from both water and fire, look no further than 3M™ Fire Barrier Water Tight Sealant 1000NS. This water tight sealant meets both UL 1479 (ASTM E 814) firestop tests and UL W-Rating for water tightness when used on floor penetrations. Discover the benefits of an all-in-one solution for water infiltration and fire containment.

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.

Trusted 3M Fire Barrier

The 3M Fire Barrier Water Tight Sealant 1000 NS offers reliable fire protection with its proven formula. This gray sealant comes in a 10.1 fl oz cartridge, making it easy to handle and apply.

Designed for firestop applications, this 3M model helps control fire, smoke, and gases. Its trusted brand and model ensure consistent performance in demanding environments.

Durable Water Tight Sealant

This sealant provides excellent water tightness, meeting UL Water Leakage Test, W Rating - Class 1 requirements. Its cartridge format allows for convenient use with conventional caulking equipment.

With a pack count of 12 per case, it’s ideal for larger projects needing consistent sealing. The gray color blends well with many construction materials.

Flexible Construction Joint Solution

3M Fire Barrier Water Tight Sealant 1000 NS is formulated for dynamic and static construction joints. Its flexibility helps accommodate movement while maintaining a strong seal.

Use it on perimeter fire barrier systems and curtain wall joints. The 10.1 fl oz cartridge size supports precise application in these critical areas.

High Performance Fire Resistance

This sealant is fire resistance tested up to 3 hours per ASTM E814 and CAN/ULC-S115 standards. It’s designed to maintain integrity in fire-rated floor or wall assemblies.

The 3M Fire Barrier Water Tight Sealant 1000 NS model ensures safety in commercial and residential settings. Its gray color and cartridge format make it practical for various installations.

Convenient Pack Size Benefits

Available in a 12/Case pack, this sealant offers value and convenience for contractors and builders. The cartridge format simplifies storage and handling on job sites.

Each 10.1 fl oz cartridge delivers consistent application, reducing waste. The gray sealant fits well with many building materials, making it a versatile choice.