Squeaky house

Once upon a time,
I lived in a house
Where the floor creaked
And the doors squeaked
With each footstep
And each opening.
So I hired a company
To bring tons of dirt
To fill up the house,
Like a burial in converse.
Then I poured concrete,
A sarcophagus,
Around the first house,
And I built a new house
Atop the first.
Now I hear no squeaks,
And I hear no creaks.