On Jan 27, 1:18 am, "emaalyon" wrote:
We placed concrete ...and did the broom finish ...
very rough surface. Anybody know a good way to smooth it out?

Besides the power sander/grinder, alternative approach would be to
apply a skim coat and re-texture. Here's a link that discusses the
"how"...

http://www.cbsupply.com/pages%20CBS%...ncretetips.htm