Alkyds, the much-trusted coatings of the past were summarily replaced by the superior performance of the polyurethane coatings. The polyurethanes were then supplemented by the polyurethane with clear coat and the polyurethane with UV protector. These coatings promised a twenty-year life and resistance to fading. But now, those coatings are being challenged by the newcomer on the block, the ultra-high performance coatings which are promoted to perform well for up to thirty years.

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