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.
Diy cutting concrete floor.
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.
You may have to undertake some concrete cutting at some point in your home improvement projects.
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.
Repairs on a concrete floor driveway or patio sometimes become necessary due to damages.
Underground utilities may also develop faults which demands that you break through the concrete.
This is noisy and can be time consuming depending on the amount of steel.
Cutting hollow concrete block first score the line.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.