Building code already mandated the garage being in a different/delayed 'fire envelope' than the habituated portion of my home when it was built, so at least in

Building code already mandated the garage being in a different/delayed 'fire envelope' than the habituated portion of my home when it was built, so at least in some jurisdictions we're already there. Thicker, fire resistant drywall. Spring-loaded fire doors to the main house that default to closed. No air vent passthrough from the garage to the house, and so on.