In this article, we will be diving into the world of concrete power float and the various aspects that come along with it. We will discuss what power float is, its construction efficiency, the various types of power floats available, and the appropriate timing for using them.
Additionally, we’ll talk about when and how power float should be used, the advantages of using it, and the difference between power float concrete and polished concrete. Furthermore, we will guide you through the steps of using a power float, from floating to finishing the concrete surface, and how to avoid excessive smoothing. Finally, we will also cover the power floats cost, including buying and renting prices.
Overall, this article is a comprehensive guide for anyone interested in understanding and using power float for concrete surfaces.
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What Is Power Float
A power float is a machine used to finish the concrete surface. It is used after the screed, and the concrete has been partially set. It uses a rotating blade to repeatedly rub the concrete to produce a smooth, dense, level finish.
The machine construction efficiency is generally dozens of times that of a manual trowel. There are hand-operated types and ride-on types you can choose. They have the near function and operation mode, but construction efficiency has some differences.
The machine uses float pans and trowel blades to finish the concrete. Standard float pan sizes are 24″ and 36″, and the blade can be adjusted 5-10 degrees as needed.
Power Floating Time After Pouring
It is crucial to wait for the appropriate time before beginning to power floating concrete. But different types of concrete, setting time is not the same. So it’s hard to know when to work based on a specific time.
One way to determine when it is time to start troweling is to check if the operator can walk on the concrete surface and leave footprints of about 1/8”-1/4” in depth. Additionally, one should be able to walk on the surface firmly without the top layer sticking to their boots. If these conditions are met, it is ready to be power floated.
It is important to pay close attention to the surface as you work and stop if it appears too soft. You should be able to immediately tell whether you are working on the top 1/4″ slurry or if you’re sinking in.
When Should A Power Float Be Used?
It is used to finish all types of concrete slabs indoors or outdoors.
It is particularly suitable for conventional concrete surface treatments (in some cases may contain surface hardeners, e.g., dry shake hardener).
It can finish certain decorative concretes (smoothed concrete floors, quartz concrete, colored concrete, waxed concrete).
Power float concrete is a finishing technique that results in a smooth, polished surface with a high-shine finish. It’s a durable option for industrial flooring. Power floating also makes the concrete resistant to cracking and plastic shrinkage. It creates a dense surface that eliminates dust, making it easy to maintain and keep clean. The surface is also resistant to future cracking. Power float concrete is an ideal solution for high-quality flooring and creating an attractive, high-quality finish surface.
Power float vs. polished concrete
Polished concrete is a unique type of concrete finish that is achieved by going through a series of steps after a power float finish is applied. This process involves diamond grinding and polishing the surface in stages, adding densifier and sealer between each stage. It may take up to 7 different stages. The result is a smooth, glossy, reflective surface that is resistant to wear, tear, and abrasion while also being dense and long-lasting. Power float concrete doesn’t go through the same process and therefore has a different finish.
How To Use
Floating concrete by pans
When the power float time is reached, the slab is first smoothed using float pans.
This step aims to spread the concrete grout (concrete cream) on the surface evenly, eliminating large unevenness on the surface.
Concrete finishing by blades
After completing the above steps, fine-work the concrete with float blades until a closed, smooth surface is obtained.
In carrying out this step, it is necessary to gradually increase the Angle of the blade tilt (5-10°) to obtain greater pressure on the floor.
Please note excessive smoothing should be avoided. This will make the concrete surface absolutely sealed, which will affect the discharge of water in the concrete.
Price (Sale And Hire)
The power float price depends on the type, size, and engine quality:
A typical hand-operated petrol power float costs between £800- £3,000. Common sizes are 24″, 36″, and 48″.
The ride on power float costs between £3,000 – £15,000.
Power float can be rented for between £80 and £300 daily.
A power float is a machine used to finish concrete surfaces with a smooth and polished finish. It uses a rotating blade to repeatedly rub the surface, resulting in a dense and level finish. There are hand-operated and ride-on types available, and it’s important to wait for the appropriate time before starting the process and pay attention to the surface while working. Power float concrete is ideal for high-quality flooring and creating an attractive finish. It’s different from polished concrete which goes through additional steps to achieve a glossy, reflective surface.