Scott turned his back on the room and flicked ashes onto the bare concrete.

I did the same with my right foot, probing for a nice bit of bare concrete.

The buyers stripped the position of all materials and equipment, leaving only bare concrete.

On other floors, bare concrete is covered with paper and masking tape.

That was a hell of a long way to run across bare concrete with a combat load.

Greg looked at the bare concrete of the ceiling, offering up a small prayer.

As they walked, the sound of their heels echoed off the bare concrete.

Mocker and his thugs stopped short, their hands upon the bare concrete.

He staggered into the room, closed the door firmly behind him, and sank down onto the bare concrete.

That, and the gritty scraping of his own shoes on the bare concrete.