If concrete is applied to a wall incorrectly the first time it can feel rough or uneven.
Sanding concrete walls.
Think of this as just applying stucco to the concrete.
It is possible to sand the patched areas of the walls so that they sit on an even level with the use of an angle grinder.
You just mix up some sand a little hydrated lime and portland cement and.
However sanding a concrete floor or countertop the once over can not only give it a more polished look it can also give it the appearance of much more expensive natural stone materials.
Step 1 make sure the patched area is dry before attempting the grinding process.
Also like sanding a concrete floor it is best to start with an area in a corner or near a wall.
If cold and industrial isn t the design style you are aiming for remedy the problem by polishing the walls to a high shine.
You must choose the appropriate type of concrete paint determine if the wall is sealed from moisture and apply primer prior to painting the wall.
The process of mixing mortar is relatively easy and straightforward as long as you have the right recipe.
Painting a concrete wall can spruce up an area or make it blend in with the rest of the area s décor.
Remove uneven patched areas of concrete by sanding it with an angle grinder.
If you want to see more options and learn more about the top machines for this type of work be sure to read the best sanders for walls article.
You can also take a look at the random orbital sanders or the sheet sanders both of them are excellent types for concrete.
Once the walls are sanded and polished you can coat them with a clear sealer stain them or paint them to match your décor.
Cover walls vents doorways and other surfaces with plastic.
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They often have a cold and industrial feel.
Concrete walls are a blank canvas.
However there are some things to consider when painting a concrete wall.
Once you have everything prepared you will need to mix the mortar.
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.
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Apply a second and final coat of paint to the concrete.
Additionally sanding can be an important step in resurfacing a treated concrete floor.
Sand any areas where the paint failed to adhere.