Primer and its importance before painting?

Applying a priming coat before painting increases the material’s stability, promotes better paint adherence, and lengthens the life of the painted surface. The preparatory coating is another name, as it is used before painting. However, considering its properties, it can only be used as an undercoat, not as a replacement for paint. Porous materials like cement and wood, commonly used in construction, require a priming layer before being painted. Primers are made of resins, solvents, and various additives. The polyethylene content varies from product to product.

No one wants to see paint flaking off only a few months after it has been applied. So a more significant dose shouldn’t be withheld, after all.

Lets understand the importance of Primer. 

Primer stands for defense, adhesion, and longevity. Primers serve the most fundamental purpose of making the paint’s final surface uniformly smooth.

Painting over primer improves the wall’s appearance because the paint stays put. Primer is a solid base that provides a uniform surface for the paint to adhere to and makes the final product seem better. The lack of priming may blame on the wall’s lumpy appearance, color shift, painter’s marks, and blotchy finish.

Primer on wood–

Wood, a natural material, has a propensity to soak up water and be attacked by mold, fungi, and bacteria. Therefore, wood is preserved and protected by primer. As a result, the wood will be protected from the issues, increasing its lifespan. In addition, the inherent grains in wood create a stunning visual effect.

Concrete and masonry primer- 

The thickness of concrete and masonry surfaces can vary widely, from around 150 millimeters to about 250 microns. The grain size is variable, depending on the sand used. Extremely sharp corners can cause paint to chip or peel after only a few months. Puncturing the paint film as a result. Putting a PVC coating on something will make it last longer while using less binder. Because of this, the surface will become less rough. Keep in mind that your primer needs to be Alkali Resistant. The cement we use in concrete has salts dissolved into it.

Primer on steel- 

Steel’s susceptibility to corrosion means a coating is required to prevent corrosion. A primer is needed to avoid corrosion. It should fill profile openings and provide a mechanical key for applying paint finishes.

What happens when you skip the priming and go straight to painting

  • A splotchy, uneven appearance may result.
  • Sadly, you can forget about getting that specific shade of paint.
  • Transparency is on the horizon.
  • The final coat may have a brush or roller marks.
  • It will be tough to make a color change.
  • It’s hard to paint over dark with a lighter hue.
  • This object is not suitable for painting because it will not hold the paint.
  • Due to its porous nature, other paint may be required.

Therefore, it is clear that primer is crucial in ensuring that the paint adheres to the wall or other surface. Primers are a must if you plan on painting your house. It will improve the paint’s appearance and safeguard your home’s surface from wear and tear.


Priming before painting is essential but often skipped over. Many believe priming is unnecessary if they are using high-quality paint. However, primer is what ensures color stays on and continues to look nice for a long time. Whether painting your home or office, primer is an essential first step.

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