How To Cut An Opening In A Concrete Wall

Don t force a blade into a cut.

How to cut an opening in a concrete wall.

Autoplay when autoplay is enabled a suggested video will automatically play next. Get a friend to hold one end while you hold the other and run the line over the region to be cut. Lift the line simultaneously from each end and slap it to the ground. Double check your marks on both sides of the wall.

How to make cutouts through a concrete wall. The concrete cutting contractor used a hammer drill to drill and bolt two parallel metal rails to the concrete 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. With the intended position of the lintel marked on the wall carefully use an angle grinder or masonry saw to cut away the mortar.

If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. Score the length of the cut three or four times with the chisel. Designate the area of finished concrete to be cut using chalk lines. The ring saw can cut concrete quickly and accurately with very little setup.

Until now i just figured they weren t ready to knock it out. 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. A circular saw with a masonry blade can also be used to either score or completely cut through the block. Repeat step 1 on the other side of the opening.