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Old 01-23-2019, 10:12 PM   #16
ghost
Guru
 
City: Anacortes
Join Date: Nov 2012
Posts: 1,189
Some old timer once schooled me to try a can opener. I’ll be damned if you get a sharp one if it doesn’t open up the seam with a perfectly scarfed angle and all. Fill just shy of the surface, then sand the surface 4-6 inches with around 100 grit, get all the shine off. Then finish with a blended spray of gel, wet sand and then buff. Not rocket science, but takes patience. If you simply fill and sand flat, you will Always see the repair stand out. Spray blend and if the color is close, you will never see it.

I’ve never had a stress crack that went beyond the gel unless the underlying layer was compromised long before the gel ever cracked.
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