


Product Description
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.
Typical Properties
Details
Application | Commercial Construction |
Brands | 3M™ |
Case Quantity | 12.0 Bags per Case |
Composition | Silicone |
Container Size (Metric) | 17 Liter, 300 ml, 591 ml |
Container Size (Imperial) | 4.5 Gal. (US), 10.1 fl oz (US), 20 fl oz (US) |
Movement Capability | 31% |
Fire Rating | Up to 3 hr |
Fire Resistance Type | Ablative |
Maximum Service Temperature (Celsius) | 149 ºC |
Maximum Service Temperature (Fahrenheit) | 300 ºF |
Minimum Service Temperature (Celsius) | -51 ºC |
Minimum Service Temperature (Fahrenheit) | -60 ºF |
Product Color | Light Gray |
Product Form | Cartridge, Drum |
Product Type | Sealant |
STC Rating | Up to 56 in a 56 Rated Wall |
Smoke Developed Index | 0 |
Smoke Seal | Yes |
Water Activated | Yes |
Water-tight | Yes |
eClass 14 Classification Group | 15310200 |
Demension and Classification

Product Applications
Recommended Applications of 1000 NS
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
Packing and Delivery
Who We Are

After years of development, Shanghai Lanyan Fire Protection Engineering Co., Ltd. has completed fire prevention and sealing projects for numerous clients in various industries in China, including communication, electric power, petrochemicals, power plants, pharmaceuticals, medical devices, food and beverage, electronics, logistics, property management, semiconductors, electromechanical, and other fields represented by Fortune 500 companies. Our clients include: B*SF, Roche Pharmaceuticals, Intel, Infineon, Dow, NVIDIA, Fluor, Bechtel, WorleyParsons, CH2M HILL, Exyte, Tebodin, EC Harris, Zublin, Bencer, State Grid Corporation of China, China Southern Power Grid, Sin*pec, PetroChina, etc.
According to different customer needs, the company undertakes product sales, system installation, firestop product OEM/ODM services, etc., to work with you to improve the building safety level of your country.
FAQ