Choose a blade hardness that matches the material you're cutting. "If it's relatively soft, coarse concrete such as that [is] found in wall block, you want a blade that won't wear down quickly ...

Compact and versatile, cutoff saws can handle a wide range of tasks, such as cutting through concrete walls, slabs, and floors, creating openings for plumbing and electrical installations ...

wall in a confined space with a saw requires, on average, 25 cuts. Depending on depth, this might take several passes. Once cut, the concrete blocks need to be broken down for easier removal.

Interior and exterior concrete often needs to be cut, ground or drilled for plumbing repairs, sidewalk removal, trip-hazard removal, leveling for handicap accessibility, tree root damage ...