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Old 10-13-2005, 12:08 PM
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Prepping and painting new/dipped parts?

I just bought a new inner fender and fender for my truck. Both parts were dipped in a semi-gloss rust-resistant coating. My questions are about painting over this coating.

FENDER: I want to paint it the same midnight metallic blue as the rest of the truck. I will wash it before painting. Should I prime/sand over the coating, or just shoot directly onto the coating?

INNDER FENDER: Already the right color. It needs a little touch-up, so I'd like to at least spot paint it. Should I apply primer first?

I'll be painting the fender in a makeshift paint booth made of clear plastic sheeting in my basement (which is warm), using an air compressor and a 'regular' spray gun (not sure what size nozzle is). What type of paint and clear coat would you recommend for this job?

Thanks!

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Old 10-13-2005, 06:52 PM
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Basement??? Do you think that's wise???
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Old 10-13-2005, 08:13 PM
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My suggestions on prepping the fender is sanding with 320 grit on a DA sander (permitting there are no dings or dents), follow with a wax and grease remover and using a sealer before your favorite brand of paint. As for the inner fender, there are numerous shades of black. The only thing you can do to spot it in, is to experiment with rattle cans or take both inner fenders off and paint both of them semi, or satin black, whichever looks correct. Above all,[/B] DON'T [B]paint in your basement, please!!
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Old 10-16-2005, 07:06 PM
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Sealer?

What's a "sealer" (guess seals the pores of the paint, but have not seen this in the store)? What about primer?

Is inadequate ventilation the problem with painting in my basement?
I plan to use a squirrel-cage fan to vent directly out a window. The paint booth will be isolated from the rest of the basement, and I will stay outside of the plastic and apply paint through a large opening in the plastic (like a sandblasting outfit) -- I figure the fan will keep overspray from coming out of the hole.
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Old 10-16-2005, 07:19 PM
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Quote:
Originally Posted by tcruise
What's a "sealer" (guess seals the pores of the paint, but have not seen this in the store)? What about primer?

Is inadequate ventilation the problem with painting in my basement?
I plan to use a squirrel-cage fan to vent directly out a window. The paint booth will be isolated from the rest of the basement, and I will stay outside of the plastic and apply paint through a large opening in the plastic (like a sandblasting outfit) -- I figure the fan will keep overspray from coming out of the hole.
How does the rest of your family feel about isocyanates, etc., and risking cancer for your fender's color?

I'm with Deepop on this; it's not a good idea. That stuff manages to get under respirators by way of facial hair. It won't have much trouble getting past your booth and basement.
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Old 10-17-2005, 12:52 AM
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What paints are hazardous?

Thanks for the warning about isocyanates. I've smelled a "fruity" odor when using some aerosol paints, but have not had any breathing problems. Do automotive aerosol spray paints usually contains isocyanates? If so, what is the big difference between using a few cans of spray paint versus spraying a quart of the "real thing"?

I was thinking about calling some paint shops for prices on painting the fender anyway. Guess I'll do that...
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