3M™ Fire Barrier Sealant IC 15WB+ is a latex sealant designed for use as a one-part fire,
smoke, toxic gas sealant. Approved for up to 3 hour rated systems.
- Firestop tested up to 3 hours in accordance with ASTM E 814 (UL 1479)
- Acoustic barrier: STC-Rating of 54 when tested in a STC 54-rated wall assembly)
- Provides L-Rating (smoke seal)
- Water based: easy cleanup and routine disposal with no special handling
- Intumescent: expands when heated to seal around items consumed by fire
- Halogen-free and no-sag formulation
- Fast drying: tack-free in approximately 8–12 minutes @ 73°F (23°C)
- Paintable (best results obtained after 72 hour cure)
- High caulk rate: 2000g/min. with 1/4 in. nozzle
- Easy-to-identify yellow color
- Check CPVC manufacturers’ current compatibility list for firestop products before using