1 Kings 6:10 in the World English Bible
He built the floors all along the house, each five cubits high; and they rested on the house with timbers of cedar.
Context
9 So he built the house, and finished it; and covered the house with beams and boards of cedar.
10 And then he built chambers against all the house, five cubits high: and they rested on the house with timber of cedar.
11 And the word of the LORD came to Solomon, saying,