How To Cut Concrete Blocks

For a larger project or more accurate cuts a circular saw with a concrete blade is a good option.

How to cut concrete blocks. A power saw produces a cleaner more even cut than does chiseling. 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. This video describes the process of split and cutting concrete blocks. Next proper safety guidelines and equipment are discussed.

If you d like to be as accurate as possible hold the straight edge of a ruler across the block at. Score the length of the cut three or four times with the chisel. Cut through the concrete block along the score marks with the angle grinder. The saws can be difficult to control but offer a wider range of cuts than many masonry and circular saws.

Power saw and concrete blade. Use the chalk to mark the spot where you ll cut the block. Concrete is a mix of sand gravel cement and water and it is everywhere. Make a series of passes until you have cut through the concrete block.

For splitting masonry blocks two types of blocks that are manufactured with splitting. If cutting straight lines completely across the block s face cut both outside edges before cutting the center of the line. 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. Use relatively smooth grits to cut neatly but slowly and use coarser grits for a fast but less tidy cut.

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. 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. A circular saw with a masonry blade can also be used to either score or completely cut through the block.

If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. 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 the block allowing the saw and blade to do most of the work don t apply too much force. Mark the measurement onto the cinder block in white chalk.