Which features of a chimney are critical to inspect?

The critical features of a chimney that should be inspected include the flue integrity and overall condition. The flue is a vital component of the chimney system, as it allows harmful gases and smoke to exit the home safely and ensures proper ventilation. Inspecting the integrity of the flue involves checking for any signs of deterioration, blockages, or damage that could impede its function. Any issue with the flue can lead to serious safety hazards, including carbon monoxide buildup or chimney fires.

While the other aspects may have some relevance in a broader consideration of chimney health, they do not directly address the essential functionality and safety provided by the flue. The type of bricks used in construction can impact durability but is not as critical for immediate safety. The height of the chimney above the roof is important for ventilation but less so than the condition of the flue itself. The color of the paint on the chimney is not a safety concern and does not relate directly to its structural or functional integrity. Hence, focusing on the flue's condition is paramount during a thorough chimney inspection.