The question is in reference to: Where NFPA 13 systems are installed in residential applications, sprinklers can be omitted from bathrooms that do not exceed 55 square feet (5.1 square meters) in area as long as the walls and ceiling provide a 15-minute thermal barrier. a sprinkler coverage in the bathroom wouldn't be able to reach a walk in… Show more

Do these enclosed showers need to have a sprinkler head of their own?