Any advice for cutting slab near the perimeter for 2" and 4" drain pipes so it doesn't break off at the perimeter?

Hey Flick,

I use a jackhammer for the heavy stuff but when I get around a area where a jackhammer could damage anything I put a masonry blade in my skill saw to complete the cut. Good luck, Tom

You may even want to rent a heavy saw for the project.

Thanks, guys. Happen to have a few abrasive blades for the fine cuts.