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For a fireplace with an opening of 6' or larger, what are the extension size requirements?

  1. 10" on the sides, 18" in the front

  2. 12" on the sides, 22" in the front

  3. 8" on the sides, 16" in the front

  4. None required

The correct answer is: 12" on the sides, 22" in the front

The correct answer is based on the requirement that for fireplaces with an opening of 6 feet or larger, the extension size must meet specific dimensions for safety and performance. An extension size of 12 inches on the sides and 22 inches in the front provides a necessary area to catch embers and ensure that they do not escape the fireplace, which can help prevent fires and promote safe usage. The dimensions specified are derived from building codes and safety standards aimed at protecting occupants from hazards associated with large openings in fireplaces. Larger extensions help mitigate the risk of embers being blown out and harming surrounding materials or igniting nearby objects. Understanding these requirements is essential for home inspectors to ensure that fireplaces are compliant with local codes. It emphasizes the importance of proper installation and maintenance of safety features to protect property and occupants.