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can a belt sander be used on concrete

by Eryn Abbott Published 5 years ago Updated 3 years ago

Not only can belt sanders

Belt sander

A belt sander or strip sander is a sander used in shaping and finishing wood and other materials. It consists of an electric motor that turns a pair of drums on which a continuous loop of sandpaper is mounted. Belt sanders may be handheld and moved over the material, or stationary, where th…

be used to sand wood, but they can also smooth concrete. Use a diamond-grit sanding belt for the best results, and be prepared to deal with a lot of dust. A belt sander can’t match the smoothing action of an angle grinder or walk-behind concrete polisher, It can only shave down the roughest parts of the concrete.

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.

Full Answer

Can you use a hand sander to sand concrete?

If you do want to use a palm-sanded approach, then I recommend that you first smooth out your concrete lightly with power tools such as an angle grinder. For those of us who don't have access to power tools, then old fashioned hand sanders work too but it will take much longer. What do you use to sand concrete?

Can a heavy duty Sander be used on subfloor?

Yes, a Heavy Duty Sander can be used on subfloor. Because you don’t need to worry about scratches, you can use a coarse sand paper to get the job done quickly.

Can You sand concrete with an angle grinder?

It is even possible to sand concrete with an angle grinder if that is your power tool of choice. Using a hand grinder or orbital sander is a great option for sanding a concrete countertop or small surface. The small sander surface will allow you to have more control over tighter angles or corners of the concrete.

Should I be worried about this type of Sander?

A worry with this type of sander is that they can leave swirls on the boards afterwards. But many of them these days have the ability to smooth them out.

Can you use a belt sander to sand concrete?

Do not let the slurry dry on the concrete because it will harden in place. If you only have a small area to sand, you can also use a palm sander, orbital sander or belt sander. Rough imperfections may require the use of a special diamond disc and a concrete floor grinder.

What sander do you use for concrete?

Use an orbital sander You can get several types of concrete sanders. The best ones come with a water hose connected with them, which gives a constant flow of water. It keeps the dust down. You can also get a dry polisher that lets you attach a vacuum.Jul 25, 2020

Can you use a floor sander on concrete?

Sanding with Power Tools 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.Feb 22, 2021

Will a belt sander remove paint from concrete?

To remove paint from concrete in a large space, rent a commercial floor sander from your local hardware store. A floor sander will quickly strip away paint and reveal the concrete below. For smaller spaces, use a belt sander or orbital sander to strip away paint.

What is the best way to sand concrete?

Work methodically over the entire concrete surface with a coarse grit before moving to a finer grit. You have to sand the entire surface several times, each time with a finer grit than before to achieve the desired finish. Take your time and be safe. There are many reasons why you may need to sand a concrete surface.Jul 26, 2021

Can you smooth out concrete after it dries?

Can You Smooth Concrete After It Dries? It is possible to smooth concrete after it dries, but in many cases, it requires a fresh layer of concrete over the top of the dried surface. This can allow you to keep the surface smooth and even, even though the concrete is completely dry.

How do you make concrete look like sand?

2:326:11How to create Sand Wash finish concrete - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd then they're going to trial it smooth. And get it all ready for the top cast. So I'm going toMoreAnd then they're going to trial it smooth. And get it all ready for the top cast. So I'm going to talk about what top casting is top cast is a material that's a water base retarder.

Can you sand down concrete patio?

Sand and smooth the surface of a concrete porch with a floor grinder. Concrete porches offer homeowners a durable foundation for outdoor relaxing and entertaining. Sanding repairs surface stains from spills, tiny hairline cracks or concrete porch surfaces with bumps and imperfections because of a sloppy installation.

Can you sand concrete with an orbital sander?

An orbital sander is the correct equipment to use when sanding concrete. You will want to have several different grit sizes of orbital sanding discs on hand. 220-grit, 300-grit, and 400-grit or 420-grit discs are ideal.

Will an orbital sander remove paint from concrete?

orbital sanders are great for people who prefer not to use chemicals. Paint can be removed in two ways by the sander. The concrete is moved to remove any loose paint, while the actual sandpaper or attachment itself removes the paint.Jan 9, 2022

How do you sand a concrete floor for painting?

How to Paint a Concrete FloorPut on a dust mask to protect your lungs from dust.Use the pole sander to sand the entire floor in one direction.Sweep the dust from the floor.Sand the floor again in the opposite direction.Sweep the dust from the floor.Switch directions and sand the floor one more time.More items...•Jul 11, 2017

What kind of sander removes paint?

random orbital sanderIf you are looking for a sander for removing paint, you can't go wrong with a random orbital sander. Also known as the palm sander, a random orbital sander is easy to hold and can be operated with one hand.Feb 17, 2022

What Is a Belt Sander?

Belt sanders are electrical appliances, powered by an extension cord or rechargeable battery back. The belt referred to in the name is a continuous loop of abrasive material. This loop travels around two drums thanks to power from the motor.

Belt Sander Uses

A belt sander is a versatile tool that can accomplish a variety of tasks. It can be used to smooth or remove material from wood, metal, and concrete. Read about the different uses for belt sanders, organized by material choice.

When Not to Use a Belt Sander

Now that you understand some of the many times a belt sander is an appropriate tool for the job, take a look at a few examples of when to choose another tool.

Conclusion

Belt sanders are versatile power tools that can be used in a variety of situations. They are best suited to rapid material removal. Belt sanders can be used on wood, concrete, or metal.

What is a walk behind concrete sander?

A walk-behind concrete sander is your best option for a larger surface like a floor or outdoor patio. When polishing a larger surface with a walk-behind sander, it is important to be consistent with how much you sand in each spot.

What is the best way to sand concrete?

Using a hand grinder or orbital sander is a great option for sanding a concrete countertop or small surface. The small sander surface will allow you to have more control over tighter angles or corners of the concrete.

How to Sand Concrete to a Smooth Finish?

The process you use to sand your concrete to a smooth finish will depend on the type of project you are taking on. The size of the project and the location will alter the tools and methods that you use to polish. In any case, however, you will want to make sure you properly prep the concrete surface before you start polishing.

How to polish concrete with sandpaper?

Polish the surface in long strokes by applying uniform pressure throughout the stroke. As you remove the high points, the surface area of polishing will increase. Keep polishing until you are touching the entire surface equally.

What to use for tight spots on concrete?

For tight spots where the concrete sander cannot reach, use a sanding pad and keep the finish similar to what you have already completed.

What is the best tool to sand down a sanded area?

For very specific areas that need to be sanded down, an angle grinder can be a good option.

How long does it take for concrete to dry?

Once finished, allow the surface to completely dry. After a couple of days, apply a concrete sealer to protect the surface.

How do I sand concrete?

The best and easiest way to sand concrete would be with a random orbital sander. This is because you can easily control the motion left to right or back and forth, whereas using a traditional palm sander, you'll have to use different strokes for this motion. If you do want to use a palm-sanded approach, then I recommend that you first smooth out your concrete lightly with power tools such as an angle grinder. For those of us who don't have access to power tools, then old fashioned hand sanders work too but it will take much longer.

How to Smooth Concrete after It Dries?

The two other more popular options are either sand and start over or wire brushes off the top coat.

How to smooth out a corner of a floor?

Use a 30 to 60 grit sandpaper to remove imperfections and smooth out the surface. Start working from the corner side and move up. If you start from the corner you will be able to maintain an order of sanding different sections of floor.

What is concrete used for?

July 15, 2021 by Marshall Pascal. Concrete is basically a flooring material that is used to build the foundation of a building. Having a history of its own (it was used in the arena of Rome) concrete is best known for its durability. Today many homeowners’ must-have material is concrete when it comes to flooring.

How to protect walls from dust?

Use plastic sheets on your walls, doorways, vents, and other surfaces to cover. This will help you to protect your walls from derbies and dust.

Can you sand concrete floors at home?

Even though sanding concrete at your home sidewalk might seem like too much effort to put for a trivial task, you can still sand the concrete floors at home for polished as well as grandeur appearance. Also, sanding is essential when it comes to resurfacing a treated concrete floor.

Should you wet sandpaper before you start?

Again if you consider using dry-wet sandpaper then you should wet the area before starting to work. It simply keeps the dust away.

What is an orbital sander?

The orbital sander is used to polish off already-ground concrete surfaces. This tool is handheld with a 4-inch orbiting disc that holds 80- and 120-grit papers. This tool is fitted with a side bag for trapping concrete dust. The orbital hand grinder should be used in conjunction with polishing oils or water in order to obtain a glass-like finish on the surface of the concrete.

What is a belt grinder?

Belt Grinder. The belt grinder is used strictly for removing and grinding large amounts of concrete. These grinders are also hand-held. However, they are fitted with 60-grit sanding belts that spin at high speed.

What is a concrete grinder?

It has a round base of 24 to 36 inches. A round rotating disc inside the base holds polishing stones of various grits for grinding concrete. The base is attached to a 4-foot handle with lever controls that turn the rotating base on and off. The polishing stones are manufactured in 60-to-300-grit textures, with the 60-grit stones used for grinding coarse concrete and the 300-grit being used for polishing the concrete.

What is a right angle grinder?

Right-angle Grinder. The right-angle grinder is used as a hand-held device. It has a rotating disc of 6 to 8 inches on the end of the grinder housing. The grinder is fitted with sanding papers ranging from 60 grit, which is used to even out concrete floor corners and countertops, to 120 grit, which is used to smooth the concrete into ...

How to use a drum sander?

A Step by Step Guide to using an Edging Sander 1 Install a sleeve of sandpaper the same grit as the one used for the drum sander 2 Find your starting position – it is best to start where the drum sander left off and work outwards towards the wall. This will help you to blend the two sanding processes seamlessly together. 3 Start the sander 4 Keep moving as you lower the sanding drum onto the floor. This is the same feather cutting in technique as used with the larger machines. 5 When the sander is engaged, keep the same steady pace and follow the Z-pattern back and forth along the grain of the wood 6 Complete 1 – 2 feet of floor before slowly lifting the sander off as you carry on moving (this is called feather cutting out)#N#As with the larger machines, stop marks will be created if the machine is stationary at any point 7 Stop the sander 8 Move onto the next patch of floor and repeat 9 Repeat these steps until the perimeter of the floor is sanded and evenly blended

What is a sander called?

An edging sander. An edging sander is often known as ‘the finisher ’. It’s a lot smaller and can be held in your hands. Black and Decker invented an edging product and called it ‘the Mouse’, so that gives you an idea just how small some of them are.

What is a floor sander?

The best way to describe a floor sander is to simply describe the process. It’s the process of removing the top layer on a piece of material. The only difference is that it allows you to do it on a large surface area – the floor.

What is an orbital floor sander?

An orbital floor sander. An Orbital Sander uses a sanding pad which oscillates back and forth in an orbital motion to create a grinding action. The result is a finer sand which will give your floorboards an excellent, polished finish which will prepare them for a new layer of varnish.

What kind of sandpaper to use to remove thinset?

If you’re trying to remove thinset from a concrete subfloor, a Heavy Duty Sander with a coarse sandpaper will do the job quickly.

How to use feather cutting in?

Use the feather cutting in technique as you set off walking backwards across the exact path you just sanded back to the starting point. By walking backwards, you are keeping the number of turns to a minimum. When you reach the starting point again, use the feather cutting out technique to bring the sander to a stop.

Where to start drum sander?

Find your starting position – it is best to start where the drum sander left off and work outwards towards the wall. This will help you to blend the two sanding processes seamlessly together.

How to protect walls from dust from a sander?

If you're inside, set up plastic sheeting to protect walls or cabinetry from dust generated by the sander. You'll place sanding discs beneath the buffing pad, one at a time. Follow the instructions for attaching the disc to your machines; attachment will depend upon the type of machine you use.

How to make a sanding board smooth?

Make It Smooth. Start in one corner with the sander or buffer, working in 4-foot-square sections. Work methodically across the length and width of the room. Clean the area of dust with a broom and dustpan after finishing.

Why do people put concrete floors in their homes?

Many homeowners are opting for exposed concrete floors in their homes, because they can be attractive and are easy to keep clean.

Can you use a wet sandpaper on concrete?

If you use a wet-dry sandpaper, you can wet the area before you work to keep dust down. Do not let the slurry dry on the concrete because it will harden in place. If you only have a small area to sand, you can also use a palm sander, orbital sander or belt sander. Rough imperfections may require the use of a special diamond disc ...

What happens if water is put on concrete?

When a drop of water is placed on the concrete, it should be absorbed into the concrete. If it just sits there, the surface of the concrete will no accept a stain.

Does sanding concrete seal pores?

What Bud is trying to say is that you do not want to make the texture of the concrete any different than the bulk surface. Sanding or polishing will seal the pores and not allow the same penetration of stain. I suggested the grinding option because I assumed you were trying to get a fer rough surface knocked down. Tread lightly with any method you use.

Can you use carbide sandpaper on a floor?

You could rent a heavy duty floor sander and use silicone carbide sand paper to abraid the entire floor surface thereby repairing the area of concern at the same time.

Can water be absorbed into concrete?

Bob Mariani said: When a drop of water is placed on the concrete, it should be absorbed into the concrete. If it just sits there, the surface of the concrete will no accept a stain. Click to expand... Thanks Bob. Well mine definitely won't accept a stain.

Can you use a grinder to stain cement?

Anything you do to the surface of that floor WILL be reflected in the results of the acid staining. IT WILL SHOW! I wouldn't reccommend using a grinder on just a small area. The texture of the surface as well as the makeup of the cement will determine the results of the acid staining. Grinders are very aggressive and there is no going back to fix it once the damage is done.

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