Why Fire Separation Matters Walls between units aren’t just partitions — they’re life safety barriers. Their job is to give occupants time to escape and contain fire spread within a multifamily buil What the Code Requires Basic Fire Separation Rules Walls between dwelling units must be built as fire partitions with a 1-hour fire-resistance rating. Floor/ceiling assembl... https://labuildinginspections.com/fire-separation-between-units-what-actually-counts-in-la-multifamily-buildings/