1 Kings 6:5-6

5And against the wall of the house he built floors round about, [against] the walls of the house, round about the temple and the oracle; and he made side-chambers round about.

6The 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.