When should a factory finish be stripped instead of used as a substrate?

Stripping a factory finish is necessary when it shows significant issues, such as shedding its clear or topcoat, or when there are other types of damage visible. This is crucial because a compromised finish can lead to adhesion problems for new paint. If the surface is peeling or flaking, it won't provide a stable base for new paint layers, which could lead to peeling, bubbling, or flaking of the new application as well. A sound substrate is essential for ensuring the durability and appearance of the repainting process.

In contrast, selecting outdated color or planning for a complete repaint are not strong reasons themselves for stripping the finish. Additionally, if only minor scratches are present, these can typically be corrected through polishing or touch-up painting instead of requiring a full strip-down.