A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Diy cutting concrete floor.
Set the diamond blade on the concrete wet saw to a depth of 4 1 2 inches and cut along both chalk lines.
Next set the saw s blade depth to 2 inches and attach a 7 inch diamond blade using vice grips so that the teeth point in the opposite direction of movement.
Score the length of the cut three or four times with the chisel.
Cutting hollow concrete block first score the line.
A 7 circular saw for instance can only cut to 2 inches deep meaning you ll need to sledgehammer the rest of the concrete away.
This is noisy and can be time consuming depending on the amount of steel.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
You may have to undertake some concrete cutting at some point in your home improvement projects.
Repairs on a concrete floor driveway or patio sometimes become necessary due to damages.