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Step 1

Sand the fiberglass spoiler with 200-grit sandpaper and a small sanding block. If the sanding block won’t fit into all of the crevices, use your hand with the sandpaper, but try to keep your hand level and flat. Sand the entire surface of the spoiler that is to be painted.

Step 2

Wipe the spoiler with wax and grease remover and a lint-free towel. This removes dust and oil from your skin that can cause disturbances in the paint later. These spots may not be visible until the last coat of paint is sprayed and dried, so wipe thoroughly.

Step 3

Spray three coats of primer on the spoiler, making the coats thin and evenly distributed. The entire surface should be covered in primer. Allow each coat to dry.

Step 4

Use 1200-grit sandpaper to sand the top layer of primer on the spoiler. This leaves a smooth surface for the paint. Sand lightly as to not sand through the primer. Wipe the spoiler with wax and grease remover and a lint-free towel again.

Step 5

Paint the spoiler with four thin coats of paint, spraying light, even coats. Start with the underside of the spoiler, and finish by painting the topside. Allow each coat to dry.

Step 6

Clear the spoiler with three or four coats of automotive clear. Use light, even coats, spraying in the same pattern as the paint was sprayed. The clear protects the paint from light scratches and UV rays that can fade the paint.

 

Also be sure and check out How to install a spoiler on a truck or car

One Response to “How to sand, prime and paint fiberglass spoilers”

1. How to install a spoiler on a truck or car Says:
   December 8th, 2009 at 9:52 am

   [...] sure you also check out How to sand, prime and paint fiberglass spoilers Tags: car spoiler install, install a spoiler, spoiler fail, SPOILERS automotive fail, truck [...]

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