How long does it take to drive after applying car undercoating?

1 Answers
ElainaAnn
07/29/25 5:55pm
How long it takes to drive after applying car undercoating depends on specific circumstances, with key factors including the craftsmanship level, quality and performance of the protective coating, and weather conditions. Normal driving can only resume after the protective coating has completely dried. The drying process can involve natural air drying after spraying or using fans to enhance air circulation for faster drying. Generally, fan-assisted drying saves more time than natural drying, but it may negatively affect the uniformity of the coating film. Before applying undercoating, the car must be lifted with a jack and the undercarriage cleaned to remove dirt, rust layers, and moisture. It's important to note that areas such as the exhaust system, suspension, and brakes should not be sprayed. These parts need to be covered with materials like newspaper. A specialized undercoating spray gun is then used to evenly apply the undercoating product to the undercarriage, followed by natural drying.
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