Can You Cut Concrete With a Circular Saw?

If you buy something through our posts, we may get a small commission. Read more here.

Circular saws can take on almost all types of material, but is it capable of cutting concrete? If you do not want to potentially damage your prized power tool, our contractors and experts explain what you need to know in cutting concrete with a circular saw.

What is a Circular Saw Regularly Used For?

It’s no secret that circular saws are a staple in many woodworkers’ and carpenters’ arsenal. They are most frequently used in home building and furniture-making projects, particularly on plywood, firewood, timber, and metal. 

Circular saws come in hand-held or mounted models. They are commonly powered by electricity, but some also use gasoline or hydraulics.

Directions in Cutting Concrete With a Circular Saw

Safety is always a priority in any project, but with power tools like a circular saw, you need to practice extra caution. Make sure to follow the following in using a circular saw for cutting concrete.

 

  • Do wear safety equipment throughout the cutting process.
  • Don’t force the blade.
  • Do use water on the blade.
  • Don’t slice through load-bearing concrete lintels or walls.
  • Don’t use the saw for more than 45 seconds continuously. After using, remove the concrete and allow the machine to cool down.
  • Don’t try to cut through concrete with internal steel reinforcement.
  • Don’t bend or twist the saw blade edge when cutting.

Circular Saw Blades That Can Cut Concrete

Abrasive Corundum Masonry Blade

You can cut concrete, asphalt, and stucco with corundum or hard aluminum oxide blades. The caveat to using this type of blade is that they are less efficient than other blades. You must repeatedly slice the surface for shallow cuts of 1/4 to 1/2 inches deep.

The blades also tend to wear out faster than other types. Most of the time, they produce fine dust, and get so hot that they sparkle. Abrasive corundum masonry blades comes highly recommended you need to make a few shallow cuts.

Diamond Blade

Like what the name says, diamond blades consist of a metal blade with a diamond or metal composite stuck at the end. A new diamond edge will be revealed as the metal mixture wears away over time.

You can be confident that a diamond blade for a circular saw will surpass the efficiency of abrasive-type blade, making it ideal for those who frequently cut concrete.

Conclusion

It’s a good idea to familiarize yourself with the basics [1] if you have doubts about whether can you cut concrete with a circular saw. It’s critical to have a well-functioning concrete cutter on hand and to have it ready when you need it. You must take safety precautions before beginning to cut the concrete slab.

Robert Johnson is a woodworker who takes joy in sharing his passion for creating to the rest of the world. His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen and women. He has since built an enviable workshop for himself and an equally impressive online accomplishment: an extensive resource site serving old timers and novices alike.
Robert Johnson
Latest posts by Robert Johnson (see all)

Leave a Reply

Your email address will not be published.