16 All Solomon’s work was carried out, from the day the foundation of the temple of the LORD was laid until its completion. So the temple of the LORD was finished.

Read 2 Chronicles 8:16 Using Other Translations

Now all the work of Solomon was prepared unto the day of the foundation of the house of the LORD, and until it was finished. So the house of the LORD was perfected.
Thus was accomplished all the work of Solomon from the day the foundation of the house of the LORD was laid until it was finished. So the house of the LORD was completed.
So Solomon made sure that all the work related to building the Temple of the LORD was carried out, from the day its foundation was laid to the day of its completion.