Using Liquid Sandpaper as a Paint Primer Using Liquid Sandpaper as a Paint Primer

If you plan to pain a wooden surface, you need to clean it followed by sanding, which is best done with liquid sandpaper. As opposed to conventional sanding, which is messy and often doesn’t get to hard to reach crevices, liquid sandpaper is a more effective alternative that prepares the wood and doubles up as a paint primer.

Why is Sanding Done?

Before a fresh coat of paint is applied to a surface, it needs to be sanded thoroughly. Sanding is vital to make the surface rough and prepare it for the coat of paint that is to come. If the surface is not sanded properly, the paint will not hold or stick. Any shiny spots on the surface are dulled with the liquid sandpaper. Since liquid sandpaper helps to prepare the surface completely, you do not need primer to top it off. The liquid sandpaper functions as a primer, allowing you to move to the next step of painting. Hence, it avoids the hassle of painting the primer on the surface.

Best for Glossy Surfaces

The idea behind liquid sandpaper is to remove gloss from a surface and make it dull to ensure better adhesion of the coat of paint and the surface. Hence, liquid sandpaper is best suited to highly glossy surfaces that need a new coat of paint. The benefit of using liquid sandpaper is that it is able to reach grooves and other small crevices that normal sanding procedures cannot reach. The liquid simply flows into these grooves and crevices, does its job and preps the surface for the new paint. Proper priming of such areas is critical as otherwise the wood can bleed through the paint and make the finished result look bad.

Cleaning Vital

Before you use the liquid sandpaper, it is essential that you clean the surface thoroughly. Use a mild soap solution or degreasing solution, which will clean the surface of grime and dust. Make sure to rinse off the cleaning solution afterwards. Once the cleaning process is complete, you can proceed to the de-glossing procedure.

De-glossing

The de-glossing process is easy with a liquid sandpaper because you just need to take an old soft cloth, dip it into the liquid sandpaper and then apply it evenly across small segments of the surface. Unlike conventional sanding, which will tend to throw up dust and particles from the surface, with liquid sandpaper there is no such mess involved. The liquid automatically goes into small grooves and hard to reach spots and primes the surface perfectly. If the liquid sandpaper is of a high quality, you don’t even need to rub the surface with the sandpaper. You just need to apply it lightly and evenly and once the layer dries, you can apply the new coat of paint. Many people make the mistake of rubbing or keeping the cloth on too long, with the result that the existing coat of paint comes off. Also make sure that you don’t de-gloss an area that cannot be painted in the next 30 minutes as the new paint has to come on while the surface is still soft with the liquid sandpaper.

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