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Pro tip: I stopped chasing razor-thin blends on plastic bumpers and my comebacks dropped to zero
For about 3 years I always tried to get the blend on plastic bumpers as invisible as possible, feathering out 6 or 7 inches past the repair. Kept getting customers bringing cars back 4 to 6 weeks later with a visible ring in the sun. Talked to a painter with 20 years on him at a shop in Fresno and he told me to just stop at 3 inches and add a drop coat instead of stretching the blend. Tried it on a silver Camry rear cover last month and the match looked better than anything I ever did the old way. The metallic lays out flat instead of drifting, and the clear covers the edge. Anyone else notice short blends hold up better on the flexible stuff, or is it just the way I spray?
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murphy.linda19d ago
The drop coat is probably doing more work here than the blend length, and that is the part nobody talks about. A drop coat flattens the metallic and tricks the eye no matter how far you stretch or don't stretch the blend, so of course it looked better on that silver Camry. Silver is the worst for mottling and the drop coat hides that. But here is the thing, 3 inches is not enough on a lot of colors. Reds, golds, and any tri coat will show a hard edge at the clear if you cut it that short, even with a drop coat on top. That ring showing up in the sun 4 to 6 weeks later is usually not the blend length at all, it is the clear flashing too fast or too slow, or the base not fully flashing before clear, or film build that is off. You changed two things at once, the short blend and the drop coat, so how do you know which one fixed it? I have seen painters chase this for years and the guys who actually get comebacks down are the ones who control their gun speed and overlap, not the ones who pick a magic number. Do a few more cars, different colors, and then tell me if 3 inches holds up.
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