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Old 05-25-2005, 09:05 PM
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purchaced spi epoxy primer

i have bought 1 gallon of spi epoxy primer and am not sure how the steps go. i have bare metal,

1. degreese pannels
2.epoxy prime ( not sure on the exact process, two coats right?)
3.top coat with what??

i also have a few quarts of acrilic urathene primer should i use this anywhere, i want to block sand the whole car, but i was thinking of spraying poly primer (featherfill 2) to get the car really straight, but can i paint right over that. and shuld i put poly ontop of epoxy? or what?

thanks for the help

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Old 05-25-2005, 09:25 PM
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primer

I dont know about the primer you are talking about, but i use URO-FILL primer and i put on three coats, then spray a light coat of red primer then DA sand with 320 and check for any low spots. If all is fine then im ready to paint.This is the best primer i have found, and its a very high build primer so it gets things good and straight.
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Old 05-25-2005, 09:25 PM
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make sure you 80 grit the whole car then spray one or two medium wet coats of epoxy. wait a couple hours to overnight then spray your feather fill or the urethane primer. i find that your just kidding yourself if you block the featherfill with anything finer than 180 so you will probably want to shoot a coat or two of the urethane over the polyester when done then block that too.
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Old 05-25-2005, 09:47 PM
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Quote:
Originally Posted by mrcleanr6
your just kidding yourself if you block the featherfill with anything finer than 180 so you will probably want to shoot a coat or two of the urethane over the polyester when done then block that too.
thats what i was wondering, thanks, then wet sand the urethane with like a 400-600 is that right?
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Old 05-25-2005, 09:52 PM
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some people like to wetsand primer....i hate it. what a mess plus the pimer will soak up the water. block the urethane primer with 400 dry.
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Old 05-25-2005, 10:02 PM
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Spray the whole gallon of featherfill on the car, 2-3 coats, then a light guidecoat, block with 180. If there aren't many cut throughs you can apply guidecoat again and sand it with 320- the guidecoat will show when the 180 grit scratches have been removed. Then spot prime any bare metal spots showing larger than a quarter with epoxy and apply your urethane primer and final sand starting with 400 and finishing with 600. Hope this makes sense. You can final sand your featherfill and paint directly but I doubt a gallon will provide enough build for the blocking that probably needs to be done, might as well use up the urethane primer for the final sanding. Be absolutely sure the metal is clean before applying the epoxy primer- this is the foundation for all of your work. I like wetsanding with grits finer than 320, healthier, no dust, plus the water has a natural cleaning effect (oil floats on water), faster, less abrasives. But everyone has their own opinions. Bob
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Old 05-30-2005, 04:14 PM
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I use 120 grit

when blocking feather fill then uro-fil then block 240 wet then 2 coats uro fil then block 6oo then topcoat, i use spi epoxy primers also mike
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