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Can DiamondFinish Clear be used over RustSeal? I'm looking to use rust seal as a color base coat on some automotive components (steering rack, transmission, differential...etc) and use clear to provide the UV protective layer/topcoat?

We do not recommend applying DiamondFinish Clear over RustSeal.

⚠ Delamination Risk

Although DiamondFinish Clear is UV stable on its own, it does not block UV rays from passing through to the RustSeal below. Over extended periods of sunlight exposure, this can cause DiamondFinish Clear to delaminate from RustSeal.

✔ What We Recommend Instead

Whenever RustSeal will be exposed to sunlight, always topcoat it with a solid-color, UV stable topcoat paint. The best options are:

•  BlackTop — ideal for engine bays, chassis, and underhood applications
•  KBS MAXX — premium finish for topside and exterior surfaces

Ready to protect your RustSeal application?

Choose a UV stable solid-color topcoat to keep your RustSeal protected and looking great for years.

Shop BlackTop Shop KBS MAXX Learn About RustSeal