An in-depth Guide on Surface Preparation

March 29, 2023

The surface preparation includes various methods which treat the surfaces before applying the coating. It is also used before using adhesives on the surface or any other procedures. The best use of facet preparation is for treating the steel or any other substrates to provide the desired facet for coating or painting.

Several surface preparation technologies are implied to prepare substrate materials of concrete, aluminum, plastic, and wood before coating them. You can prepare the facet chemically or mechanically to remove the existing containment, residue, organic matter, or oxidized remains. This process is crucial to ensure the coating lasts long and doesn't come out quickly like flakes when exposed to harsh weather conditions. You may need to use cleaning agents like chemical products or solvents in many cases.

What Are the Different Methods of Surface Preparation?

The preparation of surfaces may involve many methods. These methods depend on the type of surface, cleaning agents, and techniques involved in preparing the surface. You can use different ways to prepare the facet per preference. Here're some of the ways you can try:

Abrasive Blast Cleaning

The abrasive blast cleaning has its usage mainly when the surface is oxidized due to corrosion—an abrasive stream of particles under high-pressure impact the surface, which removes all the impurities. The impurities may include oil, grease, and rust. These surface preparation technologies are widely used in the shipbuilding and repairing industry.

It is also used in the aerospace and medical industry before applying thermally sprayed layers. Abrasive cleaning is defined in industries like a light blast, blast cleaning for the commercial sector, and blast cleaning of metal.

Solvent Distillation

The goal of distillation varies from one application to the other. Distillation aims to separate a mixture from containment. It removes all the impurities and toxic elements from the mixture and purifies it for application. Many solvents are compatible with the distillation process, like acetone, butyl acetate, and alcohol butyl.

Application of Surface Preparation

There are many applications of the process in various industries. However, there are mainly three stages where you need to work on your metal surface. These are before a metal product is manufactured, in the maintenance of any pre-existing metalwork or steelworks, and lubricating the metal surfaces like aluminum.

Sandblasting is the best technique to achieve efficiency and the best output in the end. It has applications from the simplest to the most complicated processes.

What Are the Standards and How to Assess Them?

The manufacturer must set a standard for all the coating products before application. Similarly, a perfect cleanliness level should be achieved for blast cleaning. It is significant to meet the standards for the best results.

You can assess whether the surface is ready or not with the help of a chloride test or a magnifying glass. The other methods include dial gages, replica tapes, and comparator panels to determine whether the facet is suitable for coating.


The surface preparation is an essential and critical step proper to welding, coating, and any other process which involves layering the surface. Various methods and techniques come into play to produce the desired results. Some procedures are expensive, and others are cost-effective; you can choose one that suits your requirements.

Whatever technique you choose, ensure it fits well with your choice of coating and the end result you expect. Make sure to assess the surface requirements and standards of the paint or coating before applying it to the targeted substrate.

Carlos Diaz
I believe in making the impossible possible because there’s no fun in giving up. Travel, design, fashion and current trends in the field of industrial construction are topics that I enjoy writing about.

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