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 concrete wall block.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
Mark the cut and clamp the stone or paver to a stable work surface.
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.
Power saw and concrete blade.
When fitted with a carbide grit blade reciprocating saws work well to cut and shape concrete block.
Make a series of passes until you have cut through the concrete block.
Use the chalk to mark the spot where you ll cut the block.
Use the hammer and chisel to score or cut a groove into the block or paver on all sides.
A power saw produces a cleaner more even cut than does chiseling.
Strike the chisel on the score line until the material splits.
Mark off the cutting path with the chalk line.
Score the length of the cut three or four times with the chisel.
I show you how to cut concrete landscape block with a hammer chisel.
Don t force a blade into a cut.
For example if the space that the cinder block needs to fit into is 8 inches 20 cm long measure 8 inches 20 cm in from the end of a cinderblock and make a chalk mark.
Start the cutting slowly and don t force the blade or.
Mark the measurement onto the cinder block in white chalk.
Turn on the saw and slowly guide the blade into the concrete.
Hold the concrete saw up to the wall and line up the blade with the line.
Use relatively smooth grits to cut neatly but slowly and use coarser grits for a fast but less tidy cut.
How to cut concrete blocks with circular saw.
Slowly guide the blade along the line until you get to a corner.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
The saws can be difficult to control but offer a wider range of cuts than many masonry and circular saws.