How To Cut A Hole Through Concrete Wall

I have used long 1 2 inch rotary hammer drill bits to drill a series of holes and then a hammer and chisel to remove what s left.

How to cut a hole through concrete wall.

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. Layout the cuts or locates the position of your hole before any cutting or drilling starts. Repeat step 1 on the other side of the opening. In this video you ll see the cutting using.

Don t force a blade into a cut. I first made a plywood template marking the large circle. Use the right equipment. 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.

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. I then used a wood bit to drill a series of holes in the template closely spaced. 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. I bolted the template to the concrete wall and hammer drilled each hole.

Don your goggles then insert the appropriate tungsten carbide masonry drill bit for your desired hole size into the hammer drill. A circular saw with a masonry blade can also be used to either score or completely cut through the block. Layout all of your cuts. If you are going to cut a hole or drill through a concrete wall use the right tools to.

How to make cutouts through a concrete wall. Score the length of the cut three or four times with the chisel. 4 tips for drilling or cutting through concrete walls 1. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.