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. ( 00051115188114 , 00051115188114 , 00051115188114 , 50051115188119 )