If you want to paint your fiberglass truck topper, you will need to do some prep work first. This will help the paint to adhere better and give you a more professional looking finish. Here are the steps you need to take:
1. sand the surface with 220-grit sandpaper. This will help to rough up the surface and give the paint something to grip onto.
2. wipe down the surface with a tack cloth to remove any dust from sanding.
3. apply a primer designed for use on fiberglass. This will help the paint to stick and will also provide a good base for the color you want to use.
4. once the primer is dry, sand it lightly with 400-grit sandpaper.
5. apply your paint color in thin coats, allowing each one to dry completely before adding the next.
6. once you are happy with the color, apply a clearcoat to protect it.
painting your fiberglass truck topper is not a difficult task, but it does require some patience and attention to detail. By following these steps, you will end up with a great looking finish that will last for many years.