News & Advice

Yes, applying a clear coat after spray painting is generally recommended, especially for automotive paint jobs and other high-wear applications.

A clear coat provides several benefits…

1. Protection – It acts as a protective layer over the colored paint, shielding it from UV rays, minor scratches, chemical exposure (such as oil, gasoline, and bird droppings), and weather elements. This helps preserve the color and finish of the paint, preventing it from fading and deteriorating over time.
2. Appearance – A clear coat enhances the appearance of the paint job by adding depth and gloss. It can give the painted surface a smooth, high-gloss finish that mimics professional automotive finishes. For metallic and pearlescent paints, a clear coat is to bring out the reflective qualities of the flakes in the paint.
3. Repairability – In the event of surface damage, having a clear coat layer can make repairs easier. It’s often possible to sand and polish the clear coat to remove minor scratches and blemishes without having to repaint the underlying color.

There are a few considerations when applying a clear coat over spray paint…

• Compatibility – Ensure the clear coat is compatible with the spray paint used. Some spray paints are formulated with the clear coat already mixed in, while others require a separate clear coat application. Using incompatible products can result in reactions like cracking, peeling, or cloudiness.
• Application Technique – Applying a clear coat requires careful preparation and technique to avoid runs, sags, or orange peel texture. Apply it in thin, even layers according to the product instructions, allowing adequate drying time between coats.
• Surface Preparation – The surface should be clean, dry, and free of contaminants before applying the clear coat. Light sanding of the painted surface with fine-grit sandpaper (e.g., 600-800 grit) may be necessary to ensure proper adhesion of the clear coat.
• Environment – The temperature and humidity can affect the drying and curing of the clear coat. It’s best to apply it in a well-ventilated area, away from direct sunlight, and under recommended environmental conditions.

While not always mandatory, a clear coat is highly advisable for most spray paint projects, especially those exposed to the elements or subject to wear and tear. It extends the life of the paint job and improves the visual outcome.