How To Cut Concrete Wall Block

Power saw and concrete blade.

How to cut concrete wall block.

A power saw produces a cleaner more even cut than does chiseling. 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. 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. Hold the concrete saw up to the wall and line up the blade with the line.

Mark the cut and clamp the stone or paver to a stable work surface. When fitted with a carbide grit blade reciprocating saws work well to cut and shape concrete block. If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete. Turn on the saw and slowly guide the blade into the concrete.

A circular saw with a masonry blade can also be used to either score or completely cut through the block. Start the cutting slowly and don t force the blade or. Use the chalk to mark the spot where you ll cut the block. Mark off the cutting path with the chalk line.

I show you how to cut concrete landscape block with a hammer chisel. 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. Make a series of passes until you have cut through the concrete block. Use the hammer and chisel to score or cut a groove into the block or paver on all sides.

Remove the saw blade and start in the other direction following the same procedure. For a larger project or more accurate cuts a circular saw with a concrete blade is a good option. How to cut concrete blocks with circular saw. Mark the measurement onto the cinder block in white chalk.

I show you how to cut concrete landscape block with a hammer chisel. Slowly guide the blade along the line until you get to a corner. Use relatively smooth grits to cut neatly but slowly and use coarser grits for a fast but less tidy cut. The saws can be difficult to control but offer a wider range of cuts than many masonry and circular saws.