NO! Firestop products are produced in a variety of colors. A particular color (whether red or some other color) has no importance relative to firestop applications. It is critical however, that regardless of color, the sealant installed must have been tested as a component in a system that will satisfy each application and/or rated condition. Click 3M colors to view 3M firestop colors. Click Tremco colors to view Tremco firestop colors.