Achieving a smooth and durable concrete surface is a priority in the construction of new properties. Whether you’re finishing a commercial floor or a residential driveway, The finishing stage is crucial as it enhances surface durability, prevents premature wear, and minimises chipping. A trowel machine plays a pivotal role in this process. But what is a trowel machine exactly, and why should you consider using one on your next project?
In this article, we’ll explain what a trowel machine is, how it works, and how to choose the right one for your needs.
So, What Exactly is a Trowel Machine?
A trowel machine, also known as a power trowel (or power float), is a vital piece of construction equipment designed to smooth and finish concrete surfaces quickly and efficiently. It consists of rotating blades or discs powered by a motor that helps smooth, level, and finish freshly poured concrete.
Unlike manual trowelling, which requires skill and effort to achieve a smooth finish, a trowel machine automates the process, making it faster and more consistent. These machines can handle large concrete slabs, reducing the physical strain on workers and improving productivity on-site.
While there are various types of trowel machines, all share the same core function: to finish concrete in a way that ensures a high-quality and durable surface.
How Does a Power Trowel Work?
A power trowel works by using rotating blades that spin rapidly over freshly poured concrete. These blades are positioned at a slight angle, and as they rotate, they smooth out the concrete surface, eliminating imperfections, bumps, and inconsistencies. The operator controls the machine, guiding it over the surface to ensure even coverage and the desired finish.
While blade pitch adjustment is standard, many modern power trowels also offer variable speed control for greater versatility in finishing stages. Some advanced models also allow speed adjustments. For example, when the concrete is still wet and soft, the blades will be set to a gentler angle, while harder or more set concrete requires more aggressive settings.
Components of a Power Trowel
- Rotating Blades – These provide the finishing touch by smoothing and compacting the surface.
- Engine (Petrol, Diesel, or Electric) – Powers the rotating blades.
- Handle or Operator Controls – Used to manoeuvre the machine.
- Float and Finishing Blades – The float blades help in initial levelling, while the finishing blades create a polished look.
Types of Power Trowels
There are two main types of power trowels: walk behind power trowels and ride-on power trowels. Each has its own advantages depending on the scale and nature of the job.
Walk Behind Power Trowel
A walk behind power trowel is ideal for small to medium-sized projects. It is manually operated, requiring the user to guide it across the surface. These machines are perfect for areas where precision and control are necessary.
Benefits:
- Easier to manoeuvre in tight spaces
- More affordable than ride-on trowels
- Ideal for smaller concrete surfaces
Ride-On Power Trowel
A ride-on power trowel is designed for larger-scale concrete finishing jobs. The operator sits on the machine and controls it using steering handles or joysticks, covering more area in less time.
Benefits:
- Faster operation for large surfaces
- Reduces operator fatigue
- Create a smoother and more refined finish, but achieving a truly polished look may require additional burnishing or chemical treatments.
When to Use a Power Trowel
Knowing when to use a power trowel is key to achieving the best results. The concrete should be firm enough to support the machine’s weight but still malleable for finishing.
Ideal Trowelling Conditions
- The ideal trowelling time is when the surface supports the trowel machine and operator with minimal indentation while retaining enough moisture for proper finishing.
- The sheen should be visible which indicates that moisture is still present.
- Different passes should be made at intervals to refine the finish.
Using a power trowel at the right time ensures a durable, crack-resistant, and smooth surface, making it an indispensable tool for any concrete project.
Related Article: When to Use a Power Trowel: A Guide
Best Practises for Using a Trowel Machine
To maximise efficiency and safety when using a power trowel, you should follow these best practises:
- Choose the Right Blades – Start with float blades for initial levelling, then switch to finishing blades for a smooth surface.
- Follow a Systematic Pattern – Work in overlapping circular motions for even coverage.
- Adjust Blade Pitch Accordingly – Increase the pitch for a more polished finish in later passes.
- Monitor Concrete Firmness – Start when the surface is firm but not completely dry.
- Ensure Proper Maintenance – Regularly check oil levels, blade sharpness, and engine function.
The Power of a Trowel Machine in Your Projects
So, what is a trowel machine? A trowel machine is an indispensable tool in concrete finishing, providing smooth, high-quality surfaces with minimal effort. Understanding how a power trowel works, the difference between walk behind power trowels and ride-on power trowels, and when to use a power trowel can significantly help you in making informed decisions for your project needs.
By also following best practises and proper timing, you can achieve a polished, professional-grade finish, ensuring durability and long-term performance for your concrete surfaces.
If you’re looking for top-quality trowel machines, visit us at Multiquip UK, browse our range of power trowels and find the perfect one for your needs. With the right equipment and proper maintenance, your concrete finishing projects will be more efficient, productive, and successful.