3M™ Fire Barrier Watertight Spray

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Seals interior construction voids

Superior washout resistance

Meets UL Water Leakage Test, W-Rating— Class One requirements for systems tested and listed in accordance with ANSI/UL 1479, and and CAN/ULC-S115

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Tech Data Sheet (PDF, 114KB)Safety Data Sheet (PDF, 0B)

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Details

Highlights
  • Seals interior construction voids
  • Superior washout resistance
  • Meets UL Water Leakage Test, W-Rating— Class One requirements for systems tested and listed in accordance with ANSI/UL 1479, and and CAN/ULC-S115
  • Up to 3-hour fire protection in construction joints per ASTM E 1966 (UL 2079)
  • Helps minimize noise transfer (STC Rated)
  • CPVC compatible

3M™ 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, like curtain wall joints, and other construction joints that need to prevent fire and water from moving floor to floor.

Suggested applications
  • ASTM E 2307 Standard Test Method for Fire Tests of Perimeter Joint Firestop Systems and CAN/ULC-S115 at the maximum extended joint width
  • ASTM E 814/UL 1479 and CAN/ULC-S115 Standard Test Method for Fire Tests of Penetration Firestop Systems

Typical Properties

Resources