Concrete Shot Blasting vs Diamond Grinding: Which One Should You Choose?

Constructing or renovating a building usually requires floor preparation methods. This will lead to the question of whether you’re going to use shot blasting or diamond grinding. If you’re not familiar with these methods, you might make the wrong decision. Thus, knowing the difference between the two will help you choose which one is best for your floors. This will also help you find the best diamond grinder or concrete shot blasting contractors to work on your floors.

To give you insights on the differences between the two, read the comprehensive guide below:

What is diamond grinding?

Diamond grinding improves the texture of floors or pavement. For pavements, it uses diamond saw blades that are gang-mounted to grinding machines. Meanwhile, for smaller areas such as interior or exterior floors, it uses grit sanding pads attached to a grinding machine.

The machine works like a vacuum cleaner wherein the operator will sand the concrete at a slow pace. It can remove bumps and roughness on the surface while restoring the concrete, making it good as new. Additionally, it also improves the friction and skid-resistance of the concrete.

This method can be time-consuming and costly. However, professional concrete shot blasting contractors recommend diamond grinding for smaller areas.

What is concrete shot blasting?

Concrete shot blasting is a method used to level concrete floors in preparation for floor treatment. It works by shooting a stream of high-pressure abrasive material, called blasting media, against the surface. The blasting media may either be propelled by compressed air or a centrifugal wheel.

Most concrete shot blasting contractors Australia has today use this method. It leaves the surface with a polished, matte finish. When used on metal surfaces, it effectively removes rust and other debris. During the process, it also creates less dust for the workers to inhale and clean up.

Concrete shot blasting is faster and more economical, so concrete shot blasting contractors in Australia recommend this for larger areas.

Benefits of Diamond Grinding

To give you an overview, here are the advantages when using the diamond grinding method:

  • It creates a smoother and more polished surface.
  • The floor becomes more durable and more resistant to wearing out.
  • Diamond ground floors look better and have more aesthetic appeal.
  • Friction and skid resistance is improved, making it safer to walk on.

Benefits of Concrete Shot Blasting

On the other hand, concrete shot blasting has the following advantages:

  • It provides a faster and economical process for floor preparation.
  • It prevents the production of dust and chemicals during the process.
  • Concrete shot blasting leaves the surface levelled with a matte finish.
  • Effectively removes the rust and debris from metal surfaces as well.

Should You Use Diamond Grinding or Concrete Shot Blasting?

If you have a larger area to cover, concrete shot blasting is more practical than diamond grinding. It will help you save more time and energy when preparing the floors. Diamond grinding leaves one profile of surface finish, while concrete shot blasting can give various surface profiles. It only depends on the size of the shots you will use.

If you want to find concrete shot blasting contractors that are highly-experienced, SPE Australia is a great choice. They have a full range of contracting preparation services for commercial, residential, and industrial types. For more details, visit at