DAP® FireBreak Flame Resistant Foam Sealant is a Class 1 fire-retardant, self-extinguishing foam designed to seal service penetrations in electrical, plumbing, and HVAC applications. This innovative one-component foam eliminates oxygen flow, preventing the rapid spread of fire. Ideal for Type V residential fireblock applications, it exceeds testing standards and comes with a reusable adapter and bonus straw for less waste and more projects. The bright orange colour allows for quick identification during inspections.