how to sand cement smooth

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How to Smooth a Concrete Wall Finish | HunkerIf concrete is applied to a wall incorrectly the first time, it can feel rough or uneven. Sanding the wall can often take care of the problem, but it is difficult to sand a very large surface smooth, and you might end up with places that are recessed while others are higher, making the wall look worse than before.

How to fix rough broom finished concrete sidewalkOne is, you could grind or polish the surface which would remove the rough broom finish and smooth the surface of the concrete. Some of the aggregate would be exposed giving you a nice smooth decorative look to your sidewalk and patio. A concrete sealer could be applied with some grit additive to keep it from being too slippery when it gets wet.

How to Make Concrete Not SlipperyYou can etch slippery concrete and give it a rougher surface using a 25% solution of muriatic acid. The acid can eat away the top layer of the concrete and expose the sand that was mixed into the concrete. Because of this exposure, the concrete will have a slightly rough surface that reseles that of a

Sanding Concrete CountertopsAug 02, 2012· Concrete Countertop Solutions has a solution for you. Our Z Grit-Discs are made out of a high quality silicon carbide sand paper that will hold up on the toughest sanding surfaces. Use Z Grit-Discs to smooth and polish your countertops or to round any sharp, jagged corners. Z Grit-Disc comes in 6 different grits 60, 80, 120, 220, 320, and 400.

How to Sand a Concrete Floor | HunkerYour sandpaper choice depends on how much sanding must be done. Choose coarse-grit sandpaper, in the 40- to 60-grit range, for basic sanding and stripping. For smooth finishes and removing minor imperfections, use 80- to 120-grit sandpaper. For the smoothest finish use superfine sandpaper, 200- to 400-grit or higher.

Best way to sand down concrete render | DIYnot ForumsSep 03, 2019· What is the best way to sand it down to get it smooth. I know I should have done it before it set fully but I didn''t. I had thought it might look OK when painted but unfortunately now i

How to Sand Concrete in 4 Easy Steps - HomeRepairGeekAnd beautiful smooth concrete has a special glean to it. Plus it’s practical and easier to clean and maintain than most other common types of flooring. How Practical Is Sanding Concrete? It’s a Very Hard Substance. But is sanding concrete even possible? It’s a tough surface, like rock.

How to sand concrete | On exposed floors and beams?May 13, 2019· Acid wash. After sanding, concrete scratch marks will be left behind with a different look to the original concrete finish. For this reason, if concrete work requires sanding, the whole concrete surface will need 2-3 coats of acid wash to clean the surface by helping remove the scratch marks.

How to Smooth Out Rough Concrete | DoItYourselfSmoothing out the concrete will also level and spread it out. Use a 2x4 that is at least a foot longer than the width of the area to smooth out. Put the board at one of the ends of the fresh concrete. It should be placed on the thin end. Drag the board slowly across the top of the wet concrete

Finishing Hardened Concrete| Concrete Construction MagazineThe water, plus the rubbing action, brings up a cement paste which results in a very smooth, plaster-like surface. The grinding wheel or disc is used with a right angle head, which has various gear reductions to reduce the grinding speed to 300 to 500 rpm. This wet angle head is provided with an attachment for a water hose so that water can run

Concrete Countertops: How to Fix a Rough or Imperfect SurfaceWhen the concrete cures, it usually looks very smooth and attractive however once you start sanding, that soft, dusty “cream layer” easily sands away and you’re left with a gritty, rough surface. If this cream layer isn’t removed and the concrete is sealed, you will notice that the sealer will chip or peel very easily.

How to Finish Concrete: 15 Steps (with Pictures) - wikiHowOct 08, 2020· Immediately level and prepare further using a bull float. The bull float is a flat, long-handled tool used to flatten minor ridges and holes, as well as eed aggregate particles further into the concrete, bringing the smoother "cream" consistency concrete to the surface for better finishing. The bull float should have rounded ends, not flat or straight ends. Avoid using a square float, as it

How to Properly Mix Concrete (DIY) — The Family HandymanSixty- or 80-lb. bags of concrete mix are readily available at home centers, lueryards and hardware stores. Don''t confuse concrete mix with sand mix or mortar mix. They don''t contain the aggregate (stones or gravel) that''s necessary to make a pour thicker than about 3/4 in.

How to Sand Concrete (By Hand or With a Sander) for that Jul 31, 2019· Can Concrete be Sanded? You might think man-made stone would be impossible to sand. The good news is that concrete can be sanded with relative ease when the proper equipment is used, such as a good concrete sandpaper (made using diamond instead of sand).. There are also three different types of sanded finish you can achieve, depending upon the tools and amount of removed

How to Smooth Out Rough Concrete | DoItYourselfSmoothing out the concrete will also level and spread it out. Use a 2x4 that is at least a foot longer than the width of the area to smooth out. Put the board at one of the ends of the fresh concrete. It should be placed on the thin end. Drag the board slowly across the top of the wet concrete

Tools Needed for Grinding Concrete Smooth | eHowThe 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 a polished finish. This grinder, however, is often used in conjunction with small amounts of water sprinkled on the surface of the concrete to prevent dust.

How to Scuff Sand Concrete | Home Guides | SF GateYou can scuff-sand concrete with a pole sander or a hand sander. For larger jobs, rent a floor sander. 1. Mix a few drops of dish detergent into a bucket of warm water. Mop the surface of the

How to Smooth a Concrete Wall Finish | HunkerIf concrete is applied to a wall incorrectly the first time, it can feel rough or uneven. Sanding the wall can often take care of the problem, but it is difficult to sand a very large surface smooth, and you might end up with places that are recessed while others are higher, making the wall look worse than before.

How to Finish Concrete (DIY) | Family HandymanA float compacts the concrete surface, giving it a smooth look. Putting a smooth, durable finish on concrete is a skill you can only master with the proper set of tools and practice. We’ll show you the tools and how to use them for each step of the concrete finishing process.

Does anyone know how to sand concrete DIY? | Yahoo AnswersSep 25, 2006· sand it will only make it rougher. u can buy a sealer or concrete paint to smooth it out but you need to be sure it is a non slip type dont want any lawsuits 0 1 bryce j