What Causes Paint Bubbling on the Hood?

1 Answers
AdamLynn
07/30/25 2:55am
Paint bubbling on the hood can be caused by: Poor paint quality: This issue often occurs at roadside shops, which typically offer paint jobs at very low prices and use low-quality paint. Unprofessional construction conditions and processes: Painting requires strict conditions and high technical standards. The surface must be completely free of moisture before painting; the filler (putty) applied during the initial surface preparation must be thoroughly dried in a dry environment before entering the paint booth; the air hose connected to the spray gun must remain dry, with no moisture allowed. These factors are significant causes of paint bubbling on cars. Excessive paint thickness: Lack of attention during the painting process or limited technician skills can often result in overly thick paint application, leading to paint sagging.
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