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