Concrete is a truly durable and fragile medium. But if it is set up properly, it will show a nice and interesting finish. So how to sand concrete properly? You can get help from a professional, and you can do it yourself.
Also, after sanding properly, you can smooth out particularly sharp edges and minimize the dangers of using it. At the same time, it can give an interesting finish.
What Is The Importance of Sanding Concrete?
We use concrete for a variety of purposes. This concrete is used for flooring, walls, kitchens, etc. There is a special need for sanding to get a good appearance. Sanding here will give a flat, smooth surface that will give a good look to the floor or wall.
The next thing is to be able to get smooth edges. When we first lay ordinary concrete, sharp edges can form on it. There, people can be in some danger when walking on it or using it. Also, if the road is congested, the vehicle’s tires may explode on these edges. Therefore it is essential to sand the concrete edges.
Another important point of sanding is that sand or paint or other stains on the concrete wall or floor can be removed by sanding. Stains, especially on various chemicals or paints, cannot be easily removed. You can easily do that by sanding.
You can also easily repair various cracks or damages on the concrete by sanding. From below you can get to know how to sand concrete correctly.
Tools Used For Sanding Concrete
Yes, you need to use the right tool for that. If it is a small space you can sand it with sandpaper and if it is a large space you can sand the concrete with power sanders or a grinder.
You can do this manually or with the help of a machine. Small surfaces can be sanded by hand and machines have to be used over large areas. Below are some of the ways sanding can be done.
How to Sand Concrete Sanding by hand
It is advisable to use hand sanding concrete for small irregularly shaped objects. It is also advisable to sand by hand for beautiful and fragile objects that large machines cannot be used.
Of course, hand sanding is more tedious as it requires your hand to do all the work. For this reason, it is not possible to sand large surfaces such as a runway or patio. Even hand sanding a concrete counter can be a bit tedious and time-consuming. When done by hand, it can be difficult to sand easily on large surfaces.
How to Sand Concrete Using a belt sander
A belt sander consists of a motor with two drums that spin a sandpaper loop at high speed. It then collides with the surface and smooths the surface with the help of sandpaper. The handheld belt sander is suitable for small areas and not suitable for large floor areas.
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How to Sand Concrete Using an orbit sander
Unlike the belt sander, the orbit sander can move in a circle. The belt sander can only move forward or backward. Therefore, it is relatively easy to use and can be used especially for things like bathroom or kitchen sink. It is important to note that orbit sanders have different power ranges and orbit sanders with less power are not suitable for hard surfaces.
Using Floor Concrete Grinder
These larger machines are slightly larger and more expensive. It can cover a large area and is ideal for a driveway or large patio. It is about 10 inches in diameter
How to Sand Concrete– Stey By Step Guide
So how to sand concrete. First, you need to set the sand area correctly. All luggage should be removed. When sanding concrete, it can emit a variety of harmful dust, so use the right clothing to minimize damage to your eyes and skin.
Next, inspect the sanding concrete area. If there are any cracks or holes, fill them with a concrete filler. Then let it dry well. Once it is well dried, mix it with detergent or hydrogen peroxide water and remove any stains on the chondroitin. Take care of your safety as you are using chemicals here.
Then Sand well! just remember to use the right tool depending on the area. You can use a concrete grinder if you sand something like a wall. It is a relatively small device that you can use with one hand. If you are referring to a large area such as the floor, you can use a large device such as a floor concrete grinder. This is a bit expensive and you can rent it at a reasonable price.
Finishing the Sanding process
whenever you are finished sanding, apply a synthetic hardener. The hardener cements the substantial and makes a strong completion, which holds it better for mileage. Assuming that you have medium hardness concrete, apply it after utilizing an 80 coarseness circle. For hard concrete, don’t use a hardener until a 200 coarseness circle is utilized.
You will require a sprayer to apply the hardener uniformly to the surface.
Hang tight for the hardener to dry, then clean the substantial surface with 3,000 coarseness or sandpaper, trying to cover the whole region. This top coarseness sandpaper or processor will clean a high lustrous surface of the cement.
Eliminate dust from the surface and utilize support to finish the cleaning.
Apply a sealant to it
Give the counter a lot of chance to dry, particularly if you utilized the wet technique to sand or crush it, and apply a substantial sealant. This sealant shields your diligent surface from oil, water, and different strains that can stain it.
How to sand concrete: Conclusion
Concrete is extremely hard, but luckily, there are multiple ways of how to sand concrete, from orbital sands to substantial processors to hand-held sand cushions. Anything that you pick, you can do a better job.
There are many valid ways to sand concrete. It will affect the appearance and safeguards the concrete by eliminating sharp edges. It’s also an effective method for eliminating paint and stains from concrete. It is likewise an essential advance to smooth the surface in the wake of filling in breaks or chips.