A Fire Sealant Technician, also known as a Firestop Technician, installs and maintains fire-resistant materials like sealants, boards, and wraps to seal openings and joints in walls, floors, and ceilings. This work prevents the spread of fire, smoke, and gases, creating crucial barriers that allow for safer evacuations and reduce damage. The role requires reading blueprints, selecting appropriate firestop systems based on manufacturer instructions, using specialized tools like caulk guns and ladders, and conducting inspections to ensure compliance with fire safety codes and building standards.