Jumped the gun

C

Chevynutz

Shot front clip with epoxy on 4-14 2 coats. Shot the front clip on 4-19 with 2k regular , i failed to block when in epoxy so i blocked it out with 180 and used a small amount of filler in the low spots on 5-11. I broke through the 2k where i applied the filler. Everything is feathering out fine and i have been reading blogs for days about filler over non cured 2k is not a good idea. The whole car is in 2k and needs blocked out. Looking for the best advice moving forward. Block the car out with 180 and roughen the lows spots to 80 or is 180 rough enough for small amount of filler to adhere too. Thanks in advance, this is a great site.
 
Not sure what others would do but if it were me, I would block the car with 80 grit using at least a 9" long sanding block. Bigger panels might use a 16" block. Let the paper do the cutting and change it often, don't press harder when the paper gets dull.
Use the 2k that's on there as a guide coat.
 
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