No one wants to see pin holes, sand scratches, and low spots in their auto paint finish. A good Polyester body filler should be a ultra-smooth paste that makes it easy to remove these imperfections.
Here’s how to prepare the surface of your vehicle to apply polyester body filler, mix and apply the putty, and sand the car paint surface for priming:
NOTE: Do not apply too heavy a layer of putty over new or uncured coatings.
Allow 15 to 30 minutes for curing before sanding.
Repeat steps two to four until all low spots are removed, and the surface is smooth to touch. You are now ready to apply your primer.
Now that you know how to use body filler to eliminate pinholes, sand scratches and fill in low spots, you can have a perfect vehicle surface without flaws.