A circular saw with a masonry blade can also be used to either score or completely cut through the block.
How to cut concret block wall.
Use the hammer and chisel to score or cut a groove into the block or paver on all sides.
Draw the outline of your opening with a straight edge and a piece of chalk.
Step 2 set up garden hose.
The easiest way to ensure a straight cut with a concrete saw is to measure and mark the area you are.
Strike the chisel on the score line until the material splits.
Obtain a building permit from your local building authority.
A power saw produces a cleaner more even cut than does chiseling.
Use a carpenter s level to make sure.
Step 1 mark section that is to be cut.
Don t force a blade into a cut.
Adjust your circular saw to be aligned with the chalk line and have a cutting depth of 50mm and let it start to reach max speed.
How to cut a concrete block wall with a concrete saw.
The saws can be difficult to control but offer a wider range of cuts than many masonry and circular saws.
Make a series of passes until you have cut through the concrete block.
Step 3 cut the concrete block wall.
How to cut a hole in cinder block walls step 1.
How to cut concrete blocks with circular saw.
Cut around the entire block with the saw then adjust it so it will cut 1 4 inch to 1 2 inch deeper into the block.
If you do not obtain the necessary permit a.
Mark off the region to be cut with a piece of chalk.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
Mark off the cutting path with the chalk line.
You can split block or pavers with a drilling hammer and a mason s chisel.
This method is useful if you just have a few cuts to make.
For small slabs of concrete use a piece of chalk to mark of the region that you need to cut.
Start the cutting slowly and don t force the blade or.
Score the length of the cut three or four times with the chisel.