How To Cut Doorway In Concrete Wall

This is when it is time to get started with the actual tracing process.

How to cut doorway in concrete wall.

Step 5 insert the masonry saw blade in one of the holes and cut along the line. A circular saw is used to make entry through a cinder block wall into the future waiting room of a hospital. A clear line is drawn to help indicate where the concrete will be cut and how the doorway is going to be made for the proper installation of the doorframe. A huge water cooled cutting saw attaches to each rail and is slowly moved up and down the rails.

Line up the blade of a concrete saw over the marks on one side of the wall. 3 methodical tracing and cutting. Score the length of the cut three or four times with the chisel. Cut through the remaining lines until you have created the opening.

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. Each time the saw makes a full pass up and down the contractor increases the depth of the saw blade so that it eventually cuts through a 10 concrete wall. In the photo above the right side of the right vertical rail has been cut. The concrete cutting contractor used a hammer drill to drill and bolt two parallel metal rails to the concrete wall.

Choose which side you will start with and punch a hole in the other side with a sledgehammer which will help draw concrete dust away from you as you cut through the wall. Until now i just figured they weren t ready to knock it out. This is the first cut through the wall. Cutting the foundation wall.

Don t force a blade into a cut. Start at the top of the opening and cut carefully along the lines you made on the wall.