A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Diy cutting concrete floor.
Underground utilities may also develop faults which demands that you break through the concrete.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
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.
This is noisy and can be time consuming depending on the amount of steel.
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.
A 14 wet cutting blade attached to a concrete cutting.
To cut concrete with a 15 amp circular saw start by using chalk to mark cut lines on the surface of the slab.
Score the length of the cut three or four times with the chisel.
You may have to undertake some concrete cutting at some point in your home improvement projects.