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What class of ceiling finish is permitted in a halfway house (Group R-4)?

  1. Both Class A and Class C

  2. Both Class B and Class C

  3. Only Class B

  4. Either Class A or Class B

The correct answer is: Either Class A or Class B

In a halfway house classified as Group R-4, the types of ceiling finishes allowed are dictated by fire safety regulations and building codes that aim to ensure the safety and welfare of occupants. Class A and Class B ceiling finishes are both designed to minimize fire spread and smoke development. Class A finishes are treated to provide the highest level of fire resistance, while Class B finishes offer moderate fire resistance. Permitting either Class A or Class B for ceilings in a halfway house supports the requirement for effective fire safety measures while also allowing flexibility in the materials that can be used. This allows the facility to adhere to safety standards while also considering factors such as budget and availability of materials, without compromising on occupant safety. Class C finishes, which do not provide adequate protection against fire hazards, would not be suitable for a facility that requires enhanced safety considerations, such as a halfway house. Hence, the correct choice reflects practical safety guidelines and regulatory compliance in residential or congregate living environments.