A circular saw with a masonry blade can also be used to either score or completely cut through the block.
How to cut through concrete wall.
How to make cutouts through a concrete wall 1.
Cutting the foundation wall the concrete cutting contractor used a hammer drill to drill and bolt two parallel metal rails to the concrete wall.
Repeat step 1 on the other side of the opening.
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.
Until now i just figured they weren t ready to knock it out.
Score the length of the cut three or four times with the chisel.
A huge water cooled cutting saw attaches to each rail and is slowly moved up and down the rails.
If you are working with a concrete block foundation wall rather than solid concrete you may be able to use a carbide tipped core bit on a hammer drill to cut through the block walls.
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.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
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.
Remove the saw blade and start in the other direction following the same procedure.
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.
Slowly guide the blade along the line until you get to a corner.
You ll ideally run a trickle of water.
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.
Mark the places you want to cut on the concrete slab either using chalk line good for long straight edges or chalk.
Double check your marks on both sides of the wall.
Don t force a blade into a cut.
Hang plastic sheets over.