Ontario Building Code Practice Exam 2026 – All-in-One Guide to Master the Code!

Storage rooms in residential buildings must have a minimum ceiling height of 1.8 meters. This allows for enough headroom for a person to walk and maneuver comfortably in the room. Options B, C, and D are incorrect because they exceed the minimum required height, which can result in wasted space and unnecessary construction costs. It is important to follow building codes and regulations to ensure safety and efficiency in construction projects.