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.
How to cut a hole in concrete wall.
Repeat step 1 on the other side of the opening.
How to make cutouts through a concrete wall.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
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.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
In this video you ll see the cutting using.
If the drill does not have a.
Mark the wall where you plan to make your cuts using a tape measure to verify the exact location and dimensions for the new opening.
Double check your marks on both sides of the wall.
I ve hammer drilled through concrete to sink anchors but a 4 inch diameter hole is a little intimidating until you have the right tool.
Score the length of the cut three or four times with the chisel.
Learn how to cut into a basement floor the foundation of the house in order to do some plumbing for a bathtub.
Here s a few pictures of the right tool.
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.
Fit the hammer drill with a carbide masonry bit of the desired size.