How to Mix Spray Paint

Mixing paints is a vital skill when it comes to spray painting. Spray guns can only eject paint at a certain level of consistency, so the use of thinning agents for rich paints is a must. In theory, the paint has to be thin enough to come out of the sprayer’s nozzle yet thick enough for adequate coverage and adhesion. Furthermore, mixing paints also have to be done to arrive at a secondary or tertiary color. Here are some steps to follow when mixing spray paints:

Determine the type of paint first

When applying thinners, it is very important to determine if the paint is either water-based or oil based. Latex paint, for example, can be thinned with water while oil-based paints need mineral spirits to get the same effect. Look through the manufacturer’s notes at the back of the can to know recommended mixing ratios. If this is not possible, ask a paint expert at a home improvement store.

Strain the mixed paint

Since spray guns can easily get clogged, it is one rule to strain the paint before allowing it to run through the system. Thus, you need to pour the mixed paint through a paint strainer first to catch all clumps and impurities that can block the nozzle of the gun. If you think that there’s a need to restrain one batch of paint, do so at your discretion.

Spray on a test board

With the right consistency, the spray gun will give off a fine mist when the trigger is pulled. Well-mixed paints also lead to accurate fan patterns. If the said conditions are achieved, you may now proceed with the actual paint job. If the flow gets interrupted or if the paint is too thin, you will have to add more thinners or paints, respectively.

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I've been working in professional paint service in Hampton, VA for the last 15 years. So i know a lot about painting and spray painters.With my team we made this site with to help you to understand why some spray painters are better than others, and how to find the best one for your type of job.

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