How To Cut A Square Hole In Concrete Wall

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How to cut a square hole in concrete wall.

Don t force a blade into a cut. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. 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. Also my understanding is that this wall is called a return wall.

Is there a height limit. For small slabs of concrete use a piece of chalk to mark of the region that you need to cut. Here s a few pictures of the right tool. We all share a common driveway.

Mark off the region to be cut with a piece of chalk. Drill through each corner of your cutout using a rotary hammer equipped with a masonry bit. My neighbor at the above address built a 7 8 foot concrete wall dividing our properties. 1216 sw 12th avenue pompano beach fl 33069.

It has created a huge blind spot for the back 3 houses. 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. It ends at my garage wall and turns in onto my property and meets my garage.

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. 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. These holes will mark the boundaries of the opening and help guide your cuts. Score the length of the cut three or four times with the chisel.