B4. and B5. Type of construction materials used for walls and floors
This question refers to the respondent's living quarters and it is concerned with the entire residence, which may be all or part of a building that is utilized by the household for its residence. Circle the one code that is appropriate for the construction material used for the walls and floors of the residence of this household. If the material used for the wall or the floor consists of more than one type, then select the material type that has been used most. If the different material types have been used about the same, then select the material type of greater value.