3M Fire Barrier Water Tight Spray, Red, 5 Gallon (Pail), Drum

• CPVC compatible
• Helps minimize noise transfer (STC Rated)
• Meets UL Water Leakage Test, W-Rating— Class One requirements for systems tested and listed in accordance with ANSI/UL 1479
• Seals interior construction voids
• Superior washout resistance – Passes ASTM D 6904 24 hour exposure after 2 hour cure time
• Up to 3-hour fire protection in construction joints per ASTM E 1966 (UL 2079)

Fire Barrier Watertight Spray is a sprayable, moisture-curing hybrid siliconized polymer that forms a tough, elastomeric coating. This material is used to firestop perimeter joints (curtain wall joints) and other construction joints that need to prevent fire and water from moving floor to floor.

First Line of Defense
3M™ Fire Barrier Watertight Spray helps control twill act as a barrier to water leakage and airborne sound transmission, while helping to control the transmission of fire, heat and smoke before, during and after exposure to fire. It is a sprayable, moisture-curing hybrid siliconized polymer that forms a tough, elastomeric coating. This material is used to firestop perimeter joints (curtain wall joints) and other construction joints that need to prevent fire and water from moving floor to floor. The spray meets UL Water Leakage Test, W Rating – Class 1 requirements for systems tested and listed in accordance with ANSI/UL 1479 and is tested in accordance with ASTM G 21 standard practice for determining resistance of synthetic polymeric materials to fungi. This spray provides remarkable adhesion on most construction surfaces, including: concrete, gypsum, metal, plastic, wood and insulation. The seal is for interior construction voids such as blank openings, metallic pipes, non-metallic pipes, cables, cable trays, insulated pipes, busways, HVAC vents and ducts, combos and construction joints.

Recommended Applications

• Firestopping
• Smoke sealing
• Water sealing

The Science of Better Fire Protection from 3M
Since 1925 when one of our lab assistants invented masking tape, 3M has been applying science to life –developing adhesive products and technologies that help entire industries and individual businesses worldwide. The work that began with a single 3M engineer now spans decades and generations. And all of it goes into each of our adhesives, sealants, protective coatings, devices and the best ways to used them – including Fire Barrier Pass-Through Device Brackets to improve performance, and to help businesses like yours operate faster, better and more efficiently.

Trusted 3M Fire Barrier

The 3M Fire Barrier Water Tight Spray, Red, 5 Gallon (Pail), Drum offers reliable protection for construction joints. This product is designed to firestop perimeter joints and prevent fire, heat, and smoke from spreading floor to floor.

Its sprayable, moisture-curing hybrid siliconized polymer forms a tough elastomeric coating. The 5-gallon pail format ensures you have enough material for larger projects or multiple applications.

Effective Noise And Water

This fire barrier spray helps minimize noise transfer with an STC rating, making it ideal for controlling sound between floors. It also acts as a barrier to water leakage, meeting UL Water Leakage Test, W-Rating Class One requirements.

Its watertight properties make it suitable for sealing interior construction voids, including blank openings, pipes, cables, and HVAC ducts, ensuring both fire and water protection in one product.

Superior Fire Protection Performance

The spray provides up to 3-hour fire protection in construction joints, tested per ASTM E 1966 (UL 2079). This level of protection helps maintain building safety and integrity during fire events.

It’s compatible with CPVC and adheres well to various surfaces like concrete, gypsum, metal, plastic, wood, and insulation, making it versatile for many construction needs.

Durable And Washout Resistant

3M’s Fire Barrier Water Tight Spray passes ASTM D 6904 for superior washout resistance after a 24-hour exposure and 2-hour cure time. This durability ensures the seal remains effective even in challenging conditions.

The product also resists fungi growth according to ASTM G 21, which helps maintain the integrity of the barrier over time in interior environments.

Wide Application Uses

This spray is recommended for firestopping, smoke sealing, and water sealing applications. Its red color and 5-gallon drum format make it easy to identify and use on-site for various construction projects.

It seals voids around pipes, cables, busways, and ducts, providing a comprehensive solution for perimeter joint protection in commercial and residential buildings.