3M | sku: 441377 3M 10.1 Fl. Oz. Yellow Fire Barrier Plus Latex Sealant Engineered to form a monolithic seal after drying. 3M Fire Barrier Sealant IC 15WB is a yellow, one-part, gun-grade, intumescent firestop sealant that provides up to 3-hour fire protection in tested and listed systems. This helps prevent the spread of... Log in for pricing