On Sep 26, 10:37*am, dpb wrote:
bo wrote:
...
How can I cut through the drywall on the ceiling without cutting
through the ceiling material above it? * Can I use a circular saw?
You _never_ want to use a saw on sheetrock...try it once and you'll see
why... 
Just use a knife--ordinary utility knife will serve just fine.
--
Thank you!