The first thing to do in terms of concrete preparation for a repair is all you need to know. The better you make your concrete surface preparation the better your success in the process is likely to go upwards. The steel zone needs to be reached in the preparation so that at the end of the day a bond is created in between the steel and the new concrete. A good concrete surface preparation is necessary before you decide to put your repair tools on the concrete.
Whenever you are doing the concrete surface repair you need to understand the repair materials in question. Make sure that the concrete in question is not too much rough, smooth or irregular. The things needed in a surface preparation for repair includes things like cleaning. Other than that the following need to be done too. Make sure that you have a bit rough surface from the smooth concrete if need be. The aggregates in question either rough or soft needs to be exposed. Another important thing to do is remove the thin damaged layer.
Below is a list of good concrete surface preparation. For preparation processes the methods listed below are well for other types of surfaces. Chemical cleaning method is one common and necessary process when it comes to surface preparation. Even though it is a common method used in the different surfaces, it is important to carefully choose the detergent. Some of these solvents are not good for concrete since they dissolve and would make deeper corrosions into the concrete surface. It is therefore important that you make a great choice when using chemical cleaning.
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Acid etching is the next process which has both advantages and disadvantages as a method of concrete surface preparation. The biggest advantage is the sense that it can be used to remove laitance important for the process of surface preparation. After the outer paste is removed it will help to provide a roughened surface necessary for the concrete surface preparation. The bad thing about this process is that concrete surfaces with cracks can lead to the corrosion of underneath steel. The metals that could be eroded needs to be covered and not to forget the cracks too.
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Another important process is the abrasion surface preparation. This method helps to remove a thin layer of the concrete surface. The process will have a lot of contaminated products and debris too; be sure to remove them all first before you can apply the treatment.
Lastly, the mechanical concrete surface preparation process can also be used. Equipment like grinders and breakers need to be used in this process thus the name mechanical hence removing a thin layer of the concrete surface.