What do I use to sand concrete?
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What do I use to sand concrete?
For basic sanding, use sandpaper with the grit between 40-60. To remove minor irregularities, use 80-120 grit sandpaper. For perfect finish and smoothness, use superfine sandpaper with grit ranging between 200-400. If there are severe imperfections, then you need to use a floor grinder or special diamond disc.
How much does it cost to sand concrete floor?
A contractor may charge anywhere from $1 to 4 per square foot to grind or sand concrete. However, if you choose to do it yourself, renting the grinder and the pads will run you around $0.30 to $0.40 per square foot.
Can you sand down concrete by hand?
Smooth and Polished A smooth finish can be reached with light sanding and polishing by hand or with a random orbital sander. This finish is the easiest to achieve as you are essentially just polishing the surface of the concrete without removing much concrete at all.
Can you sand a concrete floor with a belt sander?
You can use a disc or belt sander or concrete grinder combined with standard sandpaper discs or diamond encrusted pads to sand concrete to a shiny finish. There are plenty of good reasons to undertake such an arduous project.
Can you sand down concrete floor?
Can You Sand Concrete? Even though concrete is a very hard material it is possible to sand concrete but it can only be done with the correct abrasives. Always opt for diamond grinding wheels or diamond polishing pads when sanding concrete.
Can I polish my concrete floor myself?
Polishing concrete is not an easy DIY project, since it requires heavy equipment and special diamond tooling. We recommend hiring a professional concrete polishing contractor to complete your project. They will have a thorough understanding of what it takes to achieve the best results.
Can you use a regular sander on concrete?
Considering the nature of concrete and how hard it is, you may be asking the question, can you sand concrete with regular sandpaper? While it is possible to sand concrete, both ceramic and aluminum oxide sandpaper are less than ideal for concrete sanding. Ideally, you want to use diamond sanding or polishing pads.
How do you make a concrete floor smooth and shiny?
If the concrete floor is sloped, self leveling cement can be applied to make the surface even. Ardex or other similar self leveling cementitous mixes can be applied and poured on to the surface and then ground afterwords just like regular concrete to get a smooth shine.
Can you sand concrete by hand?
What kind of sander do I need for concrete floors?
If you are sanding an entire concrete floor, look for something larger. For wide floor spaces, use a floor sander – also known as a drum sander or a concrete grinder. These can be operated standing up. These typically can attach to a vacuum for mid-project cleaning.
How do you smooth out old concrete?
These are the 4 steps in how to smooth concrete after it dries:
- Remove all imperfections on the surface.
- Vacuum up all debris and apply the adherent.
- Apply a new layer of concrete.
- Sand the surface and wash the concrete.
- Apply a layer of vitrifier to protect the concrete.
Can I polish concrete yourself?
The answer to “can I polish concrete floors myself” is yes, but only in a limited set of circumstances. DIY projects should only be attempted on newly poured slabs that are clean and in good condition. A matte finish is also preferable, as fewer sets of diamond polishing tools will be required.
