How To Cut A Square Hole In A Concrete Wall

Don t force a blade into a cut.

How to cut a square hole in a concrete wall.

If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. 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. Drill through each corner of your cutout using a rotary hammer equipped with a masonry bit. 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.

Step 5 insert the masonry saw blade in one of the holes and cut along the line. Score the length of the cut three or four times with the chisel. Here s a few pictures of the right tool. Cut through the remaining lines until you have created the opening.

If you need just the surface of the whole to have a nice appearance then use the method allready mentioned drilling 4 holes at the corners then angle grinder with a small worn out disc to connect the dots to as deep as you can get it then chip away with the demolition hammer. 5 line up the blade of a. These holes will mark the boundaries of the opening and help guide your cuts. 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.

When planning a design using concrete pavers it may not be possible to avoid having to drill holes into the pavers. A circular saw with a masonry blade can also be used to either score or completely cut through the block. Due to the versatility in the paver designs concrete pavers are often a perfect solution to dressing up a landscape or interior spaces.