How To Cut A Hole Through Concrete Wall

A circular saw with a masonry blade can also be used to either score or completely cut through the block.

How to cut a hole through concrete wall.

Double check your marks on both sides of the wall. In this video you ll see the cutting using. Repeat step 1 on the other side of the opening. Learn how to cut into a basement floor the foundation of the house in order to do some plumbing for a bathtub.

How to make cutouts through a concrete 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. I then used a wood bit to drill a series of holes in the template closely spaced. Layout the cuts or locates the position of your hole before any cutting or drilling starts.

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. Layout all of your cuts. Score the length of the cut three or four times with the chisel. 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.

Don t force a blade into a cut. Don your goggles then insert the appropriate tungsten carbide masonry drill bit for your desired hole size into the hammer drill. 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. 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 first made a plywood template marking the large circle. 4 tips for drilling or cutting through concrete walls 1. Use the right equipment. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.