If cutting straight lines completely across the block s face cut both outside edges before cutting the center of the line.
How to cut concrete blocks.
This video describes the process of split and cutting concrete blocks.
For a larger project or more accurate cuts a circular saw with a concrete blade is a good option.
Score the length of the cut three or four times with the chisel.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
Use the chalk to mark the spot where you ll cut the block.
Mark the measurement onto the cinder block in white chalk.
You may want to cut some blocks for your yard cut a wall or slab or whatever you want but if you are trying to cut it you have to do it in the right way because it s actually a hard job to do and instead of hiring a contractor to do the job and it may cost you a lot of money you can do it all by yourself if you.
Cutting hollow concrete block first score the line.
When fitted with a carbide grit blade reciprocating saws work well to cut and shape concrete block.
The saws can be difficult to control but offer a wider range of cuts than many masonry and circular saws.
If cutting a hole in the center of the concrete block work the angle grinder s blade through the center of each score mark.
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.
Concrete is a mix of sand gravel cement and water and it is everywhere.
A circular saw with a masonry blade can also be used to either score or completely cut through the block.
Cut the block allowing the saw and blade to do most of the work don t apply too much force.
Power saw and concrete blade.
A power saw produces a cleaner more even cut than does chiseling.
For splitting concrete blocks a hammer as well as a chisel are required.
If you d like to be as accurate as possible hold the straight edge of a ruler across the block at.
Use relatively smooth grits to cut neatly but slowly and use coarser grits for a fast but less tidy 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.
Next proper safety guidelines and equipment are discussed.
For cutting concrete blocks you can either use a skill saw with a masonry blade or a masonry saw.
Make a series of passes until you have cut through the concrete block.
