Concrete is a mix of sand gravel cement and water and it is everywhere.
How to cut through a concrete block wall.
Back the saw out after about 30 seconds to avoid overheating.
Make a series of passes until you have cut through the concrete block.
If your cut doesn t need to be exact use a cold chisel and hand sledge to cut the concrete.
Cut the block allowing the saw and blade to do most of the work don t apply too much force.
The saws can be difficult to control but offer a wider range of cuts than many masonry and circular saws.
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.
Use relatively smooth grits to cut neatly but slowly and use coarser grits for a fast but less tidy cut.
Choose which side you will start with and punch a hole in the other side with a sledgehammer which will help draw concrete dust away from you as you cut through the wall.
For a larger project or more accurate cuts a circular saw with a concrete blade is a good option.
Builders use many techniques to run pipe through concrete block walls but the easiest and most efficient way is to use a core drill.
Slowly guide the blade along the line until you get to a corner.
Remove the saw blade and start in the other direction following the same procedure.
Step 5 insert the masonry saw blade in one of the holes and cut along the line.
Cut through the remaining lines until you have created the opening.
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.
Score the length of the cut three or four times with the chisel.
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.
When fitted with a carbide grit blade reciprocating saws work well to cut and shape concrete block.
Don t force a blade into a cut.