Sprinklers are not required on open porches or balconies.

• A. Sprinklers not required on open porches or balconies.
• B. Sprinklers required on all porches and balconies.
• C. Sprinklers required only on enclosed porches.
• D. Sprinklers required only if the porch is heated.

Answer: (A)

Open exterior spaces like porches and balconies are not sprinklered in NFPA 13R because they are not enclosed living environments and don’t present the same fire exposure as interior spaces. The design focuses protection on habitable, enclosed areas where occupants spend time and where fire can spread more readily. An open porch or balcony won’t confine smoke and heat the way a room does, and sprinklers there would be less effective and could cause unnecessary water damage to exterior finishes and contents.

So, sprinklers are not required on open porches or balconies. If a porch or balcony were enclosed or part of the interior living area, then it would be treated as an interior space and would require protection. The other statements imply that sprinklers are always needed or depend on heating, which isn’t the controlling factor for open exterior spaces.