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.
How to cut doorway in concrete wall.
Line up the blade of a concrete saw over the marks on one side of the wall.
A circular saw is used to make entry through a cinder block wall into the future waiting room of a hospital.
A huge water cooled cutting saw attaches to each rail and is slowly moved up and down the rails.
Until now i just figured they weren t ready to knock it out.
Cutting the foundation wall.
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.
The concrete cutting contractor used a hammer drill to drill and bolt two parallel metal rails to the concrete wall.
Step 5 insert the masonry saw blade in one of the holes and cut along the line.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
This is the first cut through the wall.
In the photo above the right side of the right vertical rail has been cut.
Tracing is where the actual cutting will be done on the concrete wall.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Start at the top of the opening and cut carefully along the lines you made on the wall.
Score the length of the cut three or four times with the chisel.
This is when it is time to get started with the actual tracing process.
Cut through the remaining lines until you have created the opening.
Don t force a blade into a cut.