A wall to divide parts of a building, and prevent the spread of fire. Should rise from basement level to a minimum of three feet above roof level, and all openings through the wall should be protected by fireproof doors.
A wall to divide parts of a building, and prevent the spread of fire. Should rise from basement level to a minimum of three feet above roof level, and all openings through the wall should be protected by fireproof doors.
안녕하세요. 카카오톡 상담 기능이 다시 정상적으로 작동되어 다시 오픈 되었습니다. 궁금하신 점이 있으시면 언제든지 여기 카카오톡 채널을 통해 연락주세요. 항상 감사합니다.
