Albert Barnes Commentary 1 Kings 6:5

"And against the wall of the house he built stories round about, against the walls of the house round about, both of the temple and of the oracle; and he made side-chambers round about." — 1 Kings 6:5 (ASV)

Chambers - (The marginal note reads, "floors.") Rather, it was a lean-to, which completely surrounded three sides of the building: the north, the west, and the south.