How To Cut An Opening In A Concrete Wall

Lift the line simultaneously from each end and slap it to the ground.

How to cut an opening in a concrete wall.

When you re cutting concrete that is already poured and finished use a chalk line to mark the region. Score the length of the cut three or four times with the chisel. Double check your marks on both sides of the wall. Anyway the landord was adding an overhead door for the next tenant and the concrete cutters came in one morning anchored tracks to the wall and ran the rail saws in about 8 hours they had a 12 ft overhead door cut but like above left the concrete in the hole.

Don t force a blade into a cut. Until now i just figured they weren t ready to knock it out. Designate the area of finished concrete to be cut using chalk lines. 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.

Steel lintels in concrete block walls are placed in the mortar between blocks so the first step will be opening a space for the lintel itself. Repeat step 1 on the other side of the opening. Autoplay when autoplay is enabled a suggested video will automatically play next. The ring saw can cut concrete quickly and accurately with very little setup.

The concrete cutting contractor used a hammer drill to drill and bolt two parallel metal rails to the concrete wall. A huge water cooled cutting saw attaches to each rail and is slowly moved up and down the rails. A circular saw with a masonry blade can also be used to either score or completely cut through the block. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.