How To Spray Paint Your Car & Workshop Techniques

By Mario Goldstein

When you are spray painting, don't be timid. You can bet you are going to get some runs if you don't wet the panel adequately. This will result to a dry look with a lot of pitting pattern. If the run happens to be during the clear coat application, you can usually repair that once it cures. You will be able to sand out the run and re-coat the panel. Don't fall into the trap of cover-up. Cover-up means that you are loading on more material to try to cover up the mistake. Don't do it. It just does not work.

If you follow the instructions, your application problems won't be as a result of not enough flash time. As the application is curing the solvents in the material evaporate. If you add another coat before this has fully taken place, the material is going to flow. Do yourself a favor and always add for a little extra curing time. You can save yourself a lot of work and headaches by doing this.

Finally, you get the perfect application and then a fly comes along and lands in your material. Don't panic. Use a pair of tweezers carefully to remove it. Hopefully there will just be a slight imperfection that you will able to sand then polish. Worst comes to worst you will end up respraying the panel.

Some common questions when it comes to spray painting techniques are as follows.

Is the wide pattern technique the best? If you are using the clear materials, you can use the wide patter, but pay attention to what you are doing. You could end up with some really obvious bad patterns. The perfect spray pattern has to be perfectly even from top to bottom. The other thing you need to consider and will have to contend with is the over spray that occurs when the gun is wide open.

I have a HVLP spray gun Can I use any technique I want? You cannot use a regular technique with this spray gun because its give out 10 psi at the cap as opposed to the 50psi in the conventional guns. This means the distance will not be as great with the HVLP gun that means you must be closer to the paint surface. For the convention guns, the standard distance is 8inches whereas with the HVLP it should be between two to four inches.

Will I be able to get as much speed with the HVLP? Standard guns efficiency for transfer is about 25-30% whereas with the HVLP it's about 65%. So needless to say, the gun excels in this department. You have to remember though that the closer you are spraying to the target surface the faster your stroke. As you extend your distance, you can reduce your stroke. With the HVLP, your target distance is 2-4 inches. - 21396

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