Garages are one of the most common areas where residential fires begin. Because of this risk, homes are designed with firewalls and fire-resistant barriers to help slow the spread of fire from the garage into the living space. During Las Vegas home inspections, compromised or improperly modified garage firewalls are frequently noted as a safety concern. What Is a Garage Firewall? A garage firewall (often called a fire-resistant separation wall) is the wall-and-ceiling assembl