3M Fire Barrier Sealant FD 150+ Red 4.5 Gallon Pail

Ready-to-use gun-grade latex-based elastomeric sealant that cures upon exposure to the atmosphere to form a monolithic flexible firestop seal. When properly installed this product provides up to 4-hour fire protection in tested and listed systems. Firestops construction joints and through penetrations. Available in blue red or limestone no mixing required 19% movement capability.