NET

6 The bottom floor of the extension was 7½ feet wide, the middle floor 9 feet wide, and the third floor 10½ feet wide. He made ledges on the temple’s outer walls so the beams would not have to be inserted into the walls.

Darby

6 The lowest floor was five cubits broad, and the middle one was six cubits broad, and the third was seven cubits broad; for in the [thickness of the wall of] the house he made resets round about outside, that nothing should be fastened in the walls of the house.

KJV

6 The nethermost chamber [was] five cubits broad, and the middle [was] six cubits broad, and the third [was] seven cubits broad: for without [in the wall] of the house he made narrowed rests round about, that [the beams] should not be fastened in the walls of the house.