A hollow metal door frame connects to a double metal stud partition with fire caulking at the joint gaps. The hollow metal frame anchor secures the frame, which is restricted from extending beyond the double metal stud assembly. The two-hour fire-rated wall accommodates a one-and-a-half-hour fire-rated door frame.
(2 HOUR WALL - 1 1/2 HOUR DOOR) D 1" DOUBLE METAL STUD HOLLOW METAL FRAME FRAME SHALL NOT EXTEND BEYOND DOUBLE METAL STUD FIRE CAULK HOLLOW METAL FRAME ANCHOR FIRE CAULK 3" = 1'-0" HEAD @ WALL TYPE D 1 \ I '
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