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Overheard a painter at the supply house in Everett say he never sands past 600 for primer
I was picking up some 2K clear and heard him telling a new guy that going finer just makes the base coat slide around and not stick right... I've always gone to 800 or even 1000 for a slick finish before color. Tried his way on a Honda fender repair last week and the adhesion was way better, no fisheyes. Anyone else skip the super fine grit before base?
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carter.mila5mo ago
Did he mention what primer he uses? Some of the newer high-build stuff might not need as fine a finish to work right.
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adam_baker5mo ago
Actually saw a guy at the track just scuffing with a red scotch-brite pad before laying down primer, and his paint held up fine all season.
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olivia6705mo ago
My uncle's body shop in Tacoma switched to 400 grit for primer prep about five years back. They found the same thing, that too smooth a surface just gives the paint less to grab onto. Sometimes the old school way of doing things sticks around for a reason.
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