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Quick query on priming metal for spray painting. 

 

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 Post subject: Quick query on priming metal for spray painting.
Posted: Thu Sep 21, 2006 12:21 pm 
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Hey lads,

Just wanted to know if I need a special primer to go on (before my chrome) paint on semi-bare metal. I'm doing this to my spare Fairmont grill surround. I have some plastic primer and black and white spray paint. Can I use any of this stuff as primer?

Or do I have to head down to super cheap and get some special metal primer?

O and I'm right to use my normal clear coat on metal (after chrome paint)?

Cheers.

 

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Posted: Thu Sep 21, 2006 12:31 pm 
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if it is bare metal it will need primer. if it is already painted you should be right to just sand it back a little and paint over it

 

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Posted: Thu Sep 21, 2006 12:33 pm 
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Well it's semi-bare mate, lol. Some areas the paint was cracked and bubbled, so had to scrub them right back. So I go buy some primer?

 

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Posted: Thu Sep 21, 2006 12:38 pm 
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if it has cracked and its now part bare metal you might be better off sanding it all back to bare metal. that way you will get a smooth surface, no ridges etc etc.

what sort of grille is this off? was it painted a colour or chromed?

 

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Posted: Thu Sep 21, 2006 12:46 pm 
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Here is a picture.
Image

I did a medium strength sand with a a*** sandpaper then a light sand with a fine sandpaper. To the touch, it is all very smooth and level.

Note the big batch of metal at the top is when I thought I could sand it back to a nice finish, lol.

 

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Posted: Thu Sep 21, 2006 12:52 pm 
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hmm i always thought they were plastic. oh well.
if it is metal then i would just do a couple light coats of primer on the top half, kind of blending it in with the sourrounding areas. if that makes sense

 

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Posted: Thu Sep 21, 2006 12:53 pm 
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Right you are, cheers. Off to super cheap we go.

 

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Posted: Thu Sep 21, 2006 12:56 pm 
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Septone automotive Super Etch Primer is what I have used. I used it on my XR 8 bonnet vent grills.
Then I coated with 3 coats of Australian Export black gloss enemal paint.
Came up a treat.

 

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Posted: Thu Sep 21, 2006 1:00 pm 
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that export stuff is great i reckon. if you dont need the exact colour matched. like a gloss black or something.

 

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Posted: Thu Sep 21, 2006 2:12 pm 
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apply 2-3 coats of primer making sure you sand each layer back with 2000 grit making it smooth before applying the next layer,

 

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Posted: Thu Sep 21, 2006 2:24 pm 
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Okay, letting last coat of primer dry now, then I'll give another lite sand.

 

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