Use the following shot blasting tips to increase productivity and achieve consistent results
Shot blasting is one of the quickest and most effective ways to clean and profile concrete floors. Whether you’re preparing a surface for floor finishes or simply improving grip and texture, the right technique makes all the difference. To help you achieve the best possible results, here are five essential practices for getting the most from your shot blaster.
The Right Shot Blaster
Choosing the right machine for the job is key to both efficiency and results.
Use a compact model, like the A95, to tackle edges, corners, and confined spaces where precision matters most. For larger, open areas, step up to a higher horsepower blaster with a wider blast width to cover more ground quickly. Always pair your equipment with a correctly sized dust collector to maintain a clean, safe, and compliant work environment.
Consistent Work Speed
Maintaining a consistent travel speed is crucial for achieving a clean, uniform blast pattern.
Keep a steady walking pace to ensure even coverage across the floor and avoid stopping mid-pass, as this can create ridges or uneven texture. Before you begin, mark out your paths to guide symmetrical, overlapping passes, this helps deliver a consistent, professional finish every time.
Monitor Your Blast Pattern
As you work, keep your blast pattern aligned with your guide marks to maintain a consistent finish. Regularly clean and inspect the control cage, as worn blades or liners can reduce efficiency and affect your results. Always choose the correct shot size for the surface profile you want to achieve: a finer shot for a smoother finish, and a larger shot for deeper profiles. For step-by-step instructions for adjusting your control cage, watch this video.
Control Shot Flow
Controlling your shot flow is key to achieving a consistent surface profile. Start with a lower feed rate and gradually increase until you reach the desired flow. Regularly check for any build-up or blockages in the recovery system to maintain optimal performance, and if you’re using an electric machine, monitor the electrical load to prevent overload and downtime.
Keep Your Equipment Clean and Maintained
Regular maintenance is essential for extending your machine’s lifespan and minimising downtime. After each job, thoroughly clean the shot hopper and dust bin to prevent build-up. Replace worn parts as soon as possible to avoid unnecessary wear on other components, and always check and tighten bolts and alignment before storing the machine. Finally, inspect the blast wheel regularly to ensure even wear and consistent performance.
By adopting these habits you will achieve better and more consistent surface preparation results all while increasing the life of your shot blasting equipment. For better guidance on selecting the right shot blaster, our team at Lord & James is always available to provide support across the UK and Europe