Core saw or drill a core drill with a diamond bit is the best option for round cuts that you can pass wires water lines or other things through.
How to cut through concrete wall.
Slowly guide the blade along the line until you get to a corner.
Score the length of the cut three or four times with the chisel.
Anyway the landord was adding an overhead door for the next tenant and the concrete cutters came in one morning anchored tracks to the wall and ran the rail saws in about 8 hours they had a 12 ft overhead door cut but like above left the concrete in the hole.
Double check your marks on both sides of the wall.
Until now i just figured they weren t ready to knock it out.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
Turn on the saw and slowly guide the blade into the concrete.
Fix a pair of vice grips to the diamond blade if it s moving around while you re reattaching the bolt.
Apply the line as thick as possible.
Hang plastic sheets over.
You ll ideally run a trickle of water.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Remove the saw blade and start in the other direction following the same procedure.
How to make cutouts through a concrete wall 1.
A huge water cooled cutting saw attaches to each rail and is slowly moved up and down the rails.
Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk.
If you are going to cut a hole or drill through a concrete wall use the right tools to reduce the chance of damage to the wall.
Hold the concrete saw up to the wall and line up the blade with the line.
Don t force a blade into a cut.
Repeat step 1 on the other side of the opening.
Mark the wall where you plan to make your cuts using a tape measure to verify the exact location and dimensions for.
A diamond blade will be strong enough to cut through concrete.