Berean Study Bible (BSB) - 1 Kings 6:15 >

He lined the interior walls with cedar paneling from the floor of the temple to the ceiling, and he covered the floor with cypress boards.

Jewish Publication Society of America Version (JPS1917) - 1 Kings 6:15 >

And he built the walls of the house within with boards of cedar; from the floor of the house unto the joists of the ceiling, he covered them on the inside with wood; and he covered the floor of the house with boards of cypress.