What Are The Most Common Mistakes When Using A Spray Gun?

Published on 2026-03-18 00:00:00
Written by

sico

What Are the Most Common Mistakes When Using a Spray Gun?

Even experienced painters make mistakes, but beginners repeat a few key errors that severely impact finish quality.

The first mistake is incorrect gun setup. Using improper pressure or fluid settings leads to poor atomization. A LVLP Spray Gun Precision Lightweight2 must be set according to specifications to perform correctly.

Another major issue is poor surface preparation. No spray gun can fix contamination, sanding scratches, or grease. Always clean and prep thoroughly.

Improper spraying distance is very common. Too close causes runs; too far leads to dry spray. Maintain a consistent 6–8 inches.

Arcing the gun instead of keeping it perpendicular creates uneven coverage. This is one of the fastest ways to ruin a panel.

Skipping flash times between coats traps solvents and causes defects like solvent pop or orange peel.

Using unfiltered paint is another mistake. Debris will clog your gun and ruin the finish, especially if you're working with a refinished spray gun.

Overlapping incorrectly leads to striping. Always maintain 70% overlap for even coverage.

Neglecting cleaning is perhaps the biggest mistake. A dirty gun will never perform consistently, no matter how skilled the operator is.

Finally, ignoring environmental conditions-temperature, humidity, airflow-can undo all your efforts.

To avoid these mistakes:

Follow TDS guidelines strictly.

Practice consistent technique.

Maintain your equipment.

Mastering spray painting is about eliminating variables. With proper use of a LVLP Spray Gun Precision Lightweight2, you can achieve consistent, professional results every time.

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Wenzhou Sico Spraying Tech.Co.,Ltd

Add: Daqiao Industrial Area,Beibaixiang Town,Yueqing,Wenzhou,Zhejiang

Zip code:325603

Tel:+86-577-67307836

Email:sales@sicotools.com

Mobile/Wechat:+86-13777716892


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These SK-300 spray guns are fantastic! Love the no oring design, less leakage and easy maintenance. The atomization is perfect for automotive painting. Highly recommend!

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PRD-817 gives me precise control over color, gloss, and gradients-art-level finish without top-tier pricing”

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PRD-817 gives me precise control over color, gloss, and gradients-art-level finish without top-tier pricing”

Olie-Paintz

PRD-817 gives me precise control over color, gloss, and gradients-art-level finish without top-tier pricing”

Olie-Paintz

PRD-817 gives me precise control over color, gloss, and gradients-art-level finish without top-tier pricing”

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