How To Cut A Square Hole In A Concrete Wall

5 line up the blade of a.

How to cut a square hole in a concrete wall.

Drill through each corner of your cutout using a rotary hammer equipped with a masonry bit. I just like to show you a little trick some time you have to install dryer went through the concrete walls all what you need is a cut off wheel and a littl. Cut through the remaining lines until you have created the opening. Score the length of the cut three or four times with the chisel.

If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. 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. When planning a design using concrete pavers it may not be possible to avoid having to drill holes into the pavers. Step 5 insert the masonry saw blade in one of the holes and cut along the line.

Don t force a blade into a cut. Choose which side you will start with and punch a hole in the other side with a sledgehammer which will help draw concrete dust away from you as you cut through the wall. Here s a few pictures of the right tool. A circular saw with a masonry blade can also be used to either score or completely cut through the block.

The walls at our new place are 6 inch thick concrete it s an old naval base and we needed a few holes for vents. These holes will mark the boundaries of the opening and help guide your cuts. 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.